diff --git a/.github/workflows/test_petab_test_suite.yml b/.github/workflows/test_petab_test_suite.yml
index c167c927fa..1af341009f 100644
--- a/.github/workflows/test_petab_test_suite.yml
+++ b/.github/workflows/test_petab_test_suite.yml
@@ -85,8 +85,7 @@ jobs:
             tests/petab_test_suite/
 
       - name: Codecov
-        if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-        uses: codecov/codecov-action@v3.1.4
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           file: coverage.xml
diff --git a/.github/workflows/test_python_cplusplus.yml b/.github/workflows/test_python_cplusplus.yml
index 10ba5b0a0f..507283b156 100644
--- a/.github/workflows/test_python_cplusplus.yml
+++ b/.github/workflows/test_python_cplusplus.yml
@@ -66,8 +66,7 @@ jobs:
           ${AMICI_DIR}/python/tests/test_splines.py
 
     - name: Codecov Python
-      if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-      uses: codecov/codecov-action@v3.1.4
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: build/coverage_py.xml
@@ -86,8 +85,7 @@ jobs:
         && lcov -a coverage_cpp.info -a coverage_py.info -o coverage.info
 
     - name: Codecov CPP
-      if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-      uses: codecov/codecov-action@v3.1.4
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.info
@@ -141,8 +139,7 @@ jobs:
           ${AMICI_DIR}/python/tests/test_splines_short.py
 
     - name: Codecov Python
-      if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-      uses: codecov/codecov-action@v3.1.4
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: build/coverage_py.xml
@@ -161,8 +158,7 @@ jobs:
         && lcov -a coverage_cpp.info -a coverage_py.info -o coverage.info
 
     - name: Codecov CPP
-      if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-      uses: codecov/codecov-action@v3.1.4
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.info
diff --git a/.github/workflows/test_sbml_semantic_test_suite.yml b/.github/workflows/test_sbml_semantic_test_suite.yml
index df7fd4a01e..cf03a5d458 100644
--- a/.github/workflows/test_sbml_semantic_test_suite.yml
+++ b/.github/workflows/test_sbml_semantic_test_suite.yml
@@ -54,8 +54,7 @@ jobs:
         path: tests/amici-semantic-results
 
     - name: Codecov SBMLSuite
-      if: github.event_name == 'pull_request' || github.repository_owner == 'AMICI-dev'
-      uses: codecov/codecov-action@v3.1.4
+      uses: codecov/codecov-action@v4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage_SBMLSuite.xml