diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1eb8efc2..34470e8f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -185,6 +185,22 @@ jobs:
       run: |
         python -m build
 
+  repository-check-copyright:
+    # This job checks that the copyright year in the header of all files is up to date
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0  # Ensure full history is available
+    - name: Install required dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y bash git
+    - name: Run copyright check
+      run: |
+        chmod +x ./etc/scripts/set_copyright_year.sh
+        ./etc/scripts/set_copyright_year.sh --check
+
 
   compliance-tool-test:
     # This job runs the unittests on the python versions specified down at the matrix
diff --git a/compliance_tool/aas_compliance_tool/cli.py b/compliance_tool/aas_compliance_tool/cli.py
index 6aab09d45..3ffd7d219 100644
--- a/compliance_tool/aas_compliance_tool/cli.py
+++ b/compliance_tool/aas_compliance_tool/cli.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/aas_compliance_tool/compliance_check_aasx.py b/compliance_tool/aas_compliance_tool/compliance_check_aasx.py
index d2f76a83d..9dfbb982c 100644
--- a/compliance_tool/aas_compliance_tool/compliance_check_aasx.py
+++ b/compliance_tool/aas_compliance_tool/compliance_check_aasx.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/aas_compliance_tool/compliance_check_json.py b/compliance_tool/aas_compliance_tool/compliance_check_json.py
index 808563cb8..2050f570c 100644
--- a/compliance_tool/aas_compliance_tool/compliance_check_json.py
+++ b/compliance_tool/aas_compliance_tool/compliance_check_json.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/aas_compliance_tool/compliance_check_xml.py b/compliance_tool/aas_compliance_tool/compliance_check_xml.py
index 34121a837..6d4e10c55 100644
--- a/compliance_tool/aas_compliance_tool/compliance_check_xml.py
+++ b/compliance_tool/aas_compliance_tool/compliance_check_xml.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/aas_compliance_tool/state_manager.py b/compliance_tool/aas_compliance_tool/state_manager.py
index 3201f01ab..33153038f 100644
--- a/compliance_tool/aas_compliance_tool/state_manager.py
+++ b/compliance_tool/aas_compliance_tool/state_manager.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/setup.py b/compliance_tool/setup.py
index 7401853bb..eb143df75 100644
--- a/compliance_tool/setup.py
+++ b/compliance_tool/setup.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2024-2021 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/test/test_aas_compliance_tool.py b/compliance_tool/test/test_aas_compliance_tool.py
index 972bcf366..cb631cf9c 100644
--- a/compliance_tool/test/test_aas_compliance_tool.py
+++ b/compliance_tool/test/test_aas_compliance_tool.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/test/test_compliance_check_aasx.py b/compliance_tool/test/test_compliance_check_aasx.py
index fa2e15b29..953d4e35e 100644
--- a/compliance_tool/test/test_compliance_check_aasx.py
+++ b/compliance_tool/test/test_compliance_check_aasx.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/test/test_compliance_check_json.py b/compliance_tool/test/test_compliance_check_json.py
index 651895b9c..c738c0f13 100644
--- a/compliance_tool/test/test_compliance_check_json.py
+++ b/compliance_tool/test/test_compliance_check_json.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/test/test_compliance_check_xml.py b/compliance_tool/test/test_compliance_check_xml.py
index 5afe06870..63089e186 100644
--- a/compliance_tool/test/test_compliance_check_xml.py
+++ b/compliance_tool/test/test_compliance_check_xml.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/compliance_tool/test/test_state_manager.py b/compliance_tool/test/test_state_manager.py
index 398f08e13..7654203d1 100644
--- a/compliance_tool/test/test_state_manager.py
+++ b/compliance_tool/test/test_state_manager.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/etc/scripts/set_copyright_year.sh b/etc/scripts/set_copyright_year.sh
index 5ff1fd5f9..de6c97eea 100755
--- a/etc/scripts/set_copyright_year.sh
+++ b/etc/scripts/set_copyright_year.sh
@@ -9,7 +9,36 @@
 #
 # The script will check the first two lines for a copyright
 # notice (in case the first line is a shebang).
+#
+# Run this script with --check to have it raise an error if it
+# would change anything.
+
+
+# Set CHECK_MODE based on whether --check is passed
+    CHECK_MODE=false
+    if [[ "$1" == "--check" ]]; then
+        CHECK_MODE=true
+        shift # Remove --check from the arguments
+    fi
 
 while read -rd $'\0' year file; do
-    sed -i "1,2s/^\(# Copyright (c) \)[[:digit:]]\{4,\}/\1$year/" "$file"
-done < <(git ls-files -z "$@" | xargs -0I{} git log -1 -z --format="%ad {}" --date="format:%Y" "{}")
+
+    # Extract the first year from the copyright notice
+    current_year=$(sed -n '1,2s/^\(# Copyright (c) \)\([[:digit:]]\{4,\}\).*/\2/p' "$file")
+
+    # Skip the file if no year is found
+    if [[ -z "$current_year" ]]; then
+        continue
+    fi
+
+    if $CHECK_MODE && [[ "$current_year" != "$year" ]]; then
+        echo "Error: Copyright year mismatch in file $file. Expected $year, found $current_year."
+        exit 1
+    fi
+
+    if ! $CHECK_MODE && [[ "$current_year" != "$year" ]]; then
+        sed -i "1,2s/^\(# Copyright (c) \)[[:digit:]]\{4,\}/\1$year/" "$file"
+        echo "Updated copyright year in $file"
+    fi
+done < <(git ls-files -z "$@" | xargs -0I{} git log -1 -z --format="%cd {}" --date="format:%Y" -- "{}")
+
diff --git a/sdk/basyx/aas/adapter/_generic.py b/sdk/basyx/aas/adapter/_generic.py
index 6a37c7412..79c98fc8c 100644
--- a/sdk/basyx/aas/adapter/_generic.py
+++ b/sdk/basyx/aas/adapter/_generic.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/adapter/aasx.py b/sdk/basyx/aas/adapter/aasx.py
index 88c6969a6..0b66e533e 100644
--- a/sdk/basyx/aas/adapter/aasx.py
+++ b/sdk/basyx/aas/adapter/aasx.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2024 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/adapter/json/json_deserialization.py b/sdk/basyx/aas/adapter/json/json_deserialization.py
index c1ce35fef..78e3713f5 100644
--- a/sdk/basyx/aas/adapter/json/json_deserialization.py
+++ b/sdk/basyx/aas/adapter/json/json_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/adapter/json/json_serialization.py b/sdk/basyx/aas/adapter/json/json_serialization.py
index 8c6a671f1..f7d6626eb 100644
--- a/sdk/basyx/aas/adapter/json/json_serialization.py
+++ b/sdk/basyx/aas/adapter/json/json_serialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/adapter/xml/xml_deserialization.py b/sdk/basyx/aas/adapter/xml/xml_deserialization.py
index ab78d3c2e..4063b8df7 100644
--- a/sdk/basyx/aas/adapter/xml/xml_deserialization.py
+++ b/sdk/basyx/aas/adapter/xml/xml_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/adapter/xml/xml_serialization.py b/sdk/basyx/aas/adapter/xml/xml_serialization.py
index 2620dad84..7e6585cea 100644
--- a/sdk/basyx/aas/adapter/xml/xml_serialization.py
+++ b/sdk/basyx/aas/adapter/xml/xml_serialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/backend/backends.py b/sdk/basyx/aas/backend/backends.py
index d921a52d5..31be12628 100644
--- a/sdk/basyx/aas/backend/backends.py
+++ b/sdk/basyx/aas/backend/backends.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/backend/couchdb.py b/sdk/basyx/aas/backend/couchdb.py
index 43428ae9d..4b6f43611 100644
--- a/sdk/basyx/aas/backend/couchdb.py
+++ b/sdk/basyx/aas/backend/couchdb.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/backend/local_file.py b/sdk/basyx/aas/backend/local_file.py
index 3f6bcb8dc..ec0757375 100644
--- a/sdk/basyx/aas/backend/local_file.py
+++ b/sdk/basyx/aas/backend/local_file.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/examples/data/_helper.py b/sdk/basyx/aas/examples/data/_helper.py
index 4f75e8732..a4c3edfce 100644
--- a/sdk/basyx/aas/examples/data/_helper.py
+++ b/sdk/basyx/aas/examples/data/_helper.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/examples/data/example_aas.py b/sdk/basyx/aas/examples/data/example_aas.py
index c1c0db426..e093c603a 100644
--- a/sdk/basyx/aas/examples/data/example_aas.py
+++ b/sdk/basyx/aas/examples/data/example_aas.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/examples/data/example_aas_mandatory_attributes.py b/sdk/basyx/aas/examples/data/example_aas_mandatory_attributes.py
index d86f6f5fb..a18f3cbc6 100644
--- a/sdk/basyx/aas/examples/data/example_aas_mandatory_attributes.py
+++ b/sdk/basyx/aas/examples/data/example_aas_mandatory_attributes.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/examples/data/example_aas_missing_attributes.py b/sdk/basyx/aas/examples/data/example_aas_missing_attributes.py
index 45f3df3c2..83232914a 100644
--- a/sdk/basyx/aas/examples/data/example_aas_missing_attributes.py
+++ b/sdk/basyx/aas/examples/data/example_aas_missing_attributes.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/examples/data/example_submodel_template.py b/sdk/basyx/aas/examples/data/example_submodel_template.py
index 6f5a7789b..358e06b05 100644
--- a/sdk/basyx/aas/examples/data/example_submodel_template.py
+++ b/sdk/basyx/aas/examples/data/example_submodel_template.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/_string_constraints.py b/sdk/basyx/aas/model/_string_constraints.py
index aa9833cf2..376f76b0e 100644
--- a/sdk/basyx/aas/model/_string_constraints.py
+++ b/sdk/basyx/aas/model/_string_constraints.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/aas.py b/sdk/basyx/aas/model/aas.py
index 684a1ff06..4a9fb4640 100644
--- a/sdk/basyx/aas/model/aas.py
+++ b/sdk/basyx/aas/model/aas.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/base.py b/sdk/basyx/aas/model/base.py
index a1dc9f1a9..a93e3cb59 100644
--- a/sdk/basyx/aas/model/base.py
+++ b/sdk/basyx/aas/model/base.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/concept.py b/sdk/basyx/aas/model/concept.py
index 6ee0155b9..a9cbd1a33 100644
--- a/sdk/basyx/aas/model/concept.py
+++ b/sdk/basyx/aas/model/concept.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/datatypes.py b/sdk/basyx/aas/model/datatypes.py
index 24a7fb261..d5acc6d45 100644
--- a/sdk/basyx/aas/model/datatypes.py
+++ b/sdk/basyx/aas/model/datatypes.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/model/provider.py b/sdk/basyx/aas/model/provider.py
index b95363315..ac50d33da 100644
--- a/sdk/basyx/aas/model/provider.py
+++ b/sdk/basyx/aas/model/provider.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/util/identification.py b/sdk/basyx/aas/util/identification.py
index c3647ef90..74cccd99a 100644
--- a/sdk/basyx/aas/util/identification.py
+++ b/sdk/basyx/aas/util/identification.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/basyx/aas/util/traversal.py b/sdk/basyx/aas/util/traversal.py
index 43a55af44..0b288ddf7 100644
--- a/sdk/basyx/aas/util/traversal.py
+++ b/sdk/basyx/aas/util/traversal.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/_helper/setup_testdb.py b/sdk/test/_helper/setup_testdb.py
index d668ac865..20f56c4d9 100755
--- a/sdk/test/_helper/setup_testdb.py
+++ b/sdk/test/_helper/setup_testdb.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/aasx/test_aasx.py b/sdk/test/adapter/aasx/test_aasx.py
index 9f1bb5ebb..a83c60186 100644
--- a/sdk/test/adapter/aasx/test_aasx.py
+++ b/sdk/test/adapter/aasx/test_aasx.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/json/test_json_deserialization.py b/sdk/test/adapter/json/test_json_deserialization.py
index 28da288cd..9272bdf98 100644
--- a/sdk/test/adapter/json/test_json_deserialization.py
+++ b/sdk/test/adapter/json/test_json_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/json/test_json_serialization.py b/sdk/test/adapter/json/test_json_serialization.py
index 01bc65c95..8e9bc8d01 100644
--- a/sdk/test/adapter/json/test_json_serialization.py
+++ b/sdk/test/adapter/json/test_json_serialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/json/test_json_serialization_deserialization.py b/sdk/test/adapter/json/test_json_serialization_deserialization.py
index 9b016e17a..e33921a21 100644
--- a/sdk/test/adapter/json/test_json_serialization_deserialization.py
+++ b/sdk/test/adapter/json/test_json_serialization_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/xml/test_xml_deserialization.py b/sdk/test/adapter/xml/test_xml_deserialization.py
index e62ebaa08..331ad98c5 100644
--- a/sdk/test/adapter/xml/test_xml_deserialization.py
+++ b/sdk/test/adapter/xml/test_xml_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/xml/test_xml_serialization.py b/sdk/test/adapter/xml/test_xml_serialization.py
index 11328f62f..e07e10255 100644
--- a/sdk/test/adapter/xml/test_xml_serialization.py
+++ b/sdk/test/adapter/xml/test_xml_serialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/adapter/xml/test_xml_serialization_deserialization.py b/sdk/test/adapter/xml/test_xml_serialization_deserialization.py
index 2e06c44d8..7a4f5c12d 100644
--- a/sdk/test/adapter/xml/test_xml_serialization_deserialization.py
+++ b/sdk/test/adapter/xml/test_xml_serialization_deserialization.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/backend/test_backends.py b/sdk/test/backend/test_backends.py
index a7f025558..e0beee8f8 100644
--- a/sdk/test/backend/test_backends.py
+++ b/sdk/test/backend/test_backends.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/backend/test_couchdb.py b/sdk/test/backend/test_couchdb.py
index 5e6c2fbe4..89fe992de 100644
--- a/sdk/test/backend/test_couchdb.py
+++ b/sdk/test/backend/test_couchdb.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/backend/test_local_file.py b/sdk/test/backend/test_local_file.py
index 4a8186ac3..22aaa3155 100644
--- a/sdk/test/backend/test_local_file.py
+++ b/sdk/test/backend/test_local_file.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/examples/test_examples.py b/sdk/test/examples/test_examples.py
index cacf9395c..5695e3b94 100644
--- a/sdk/test/examples/test_examples.py
+++ b/sdk/test/examples/test_examples.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/examples/test_helpers.py b/sdk/test/examples/test_helpers.py
index 754d5cdfb..faca8602b 100644
--- a/sdk/test/examples/test_helpers.py
+++ b/sdk/test/examples/test_helpers.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/examples/test_tutorials.py b/sdk/test/examples/test_tutorials.py
index b82c3bf7b..2b5dbe54e 100644
--- a/sdk/test/examples/test_tutorials.py
+++ b/sdk/test/examples/test_tutorials.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_aas.py b/sdk/test/model/test_aas.py
index 27ce13b4d..3b974c04f 100644
--- a/sdk/test/model/test_aas.py
+++ b/sdk/test/model/test_aas.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_base.py b/sdk/test/model/test_base.py
index 3cf7ea2d0..1e0432a58 100644
--- a/sdk/test/model/test_base.py
+++ b/sdk/test/model/test_base.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_concept.py b/sdk/test/model/test_concept.py
index c8bfefce9..94fc497b8 100644
--- a/sdk/test/model/test_concept.py
+++ b/sdk/test/model/test_concept.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_datatypes.py b/sdk/test/model/test_datatypes.py
index 8021414db..b83c5e5fb 100644
--- a/sdk/test/model/test_datatypes.py
+++ b/sdk/test/model/test_datatypes.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_provider.py b/sdk/test/model/test_provider.py
index 549232cc3..68fb01cff 100644
--- a/sdk/test/model/test_provider.py
+++ b/sdk/test/model/test_provider.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_string_constraints.py b/sdk/test/model/test_string_constraints.py
index 5adb15523..55d5789f5 100644
--- a/sdk/test/model/test_string_constraints.py
+++ b/sdk/test/model/test_string_constraints.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/model/test_submodel.py b/sdk/test/model/test_submodel.py
index 15746bd5d..37a5792df 100644
--- a/sdk/test/model/test_submodel.py
+++ b/sdk/test/model/test_submodel.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2023 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.
diff --git a/sdk/test/util/test_identification.py b/sdk/test/util/test_identification.py
index 9a43ea16b..ebfed8606 100644
--- a/sdk/test/util/test_identification.py
+++ b/sdk/test/util/test_identification.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 the Eclipse BaSyx Authors
+# Copyright (c) 2025 the Eclipse BaSyx Authors
 #
 # This program and the accompanying materials are made available under the terms of the MIT License, available in
 # the LICENSE file of this project.