diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 0b141c5f1a..97299e5064 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -25,14 +25,14 @@ jobs:
     env:
       CXXFLAGS: "-Werror"
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: install dependencies
       run: |
         .github/workflows/setup/nvcc11.sh
 
     - name: CCache Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
@@ -65,7 +65,7 @@ jobs:
 #    runs-on: ubuntu-20.04
 #    if: github.event.pull_request.draft == false
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Dependencies
 #      run: .github/workflows/setup/nvhpc.sh
 #    - name: Build & Install
diff --git a/.github/workflows/cudaLocal.yml b/.github/workflows/cudaLocal.yml
index 887a05557c..3dde28fa2d 100644
--- a/.github/workflows/cudaLocal.yml
+++ b/.github/workflows/cudaLocal.yml
@@ -27,7 +27,7 @@ jobs:
     env:
       CXXFLAGS: "-Werror"
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: Build & Install
       run: |
diff --git a/.github/workflows/disabled/macos.yml b/.github/workflows/disabled/macos.yml
index 5651a2ed67..3f0d0a3570 100644
--- a/.github/workflows/disabled/macos.yml
+++ b/.github/workflows/disabled/macos.yml
@@ -14,7 +14,7 @@ jobs:
     name: AppleClang@11.0 C++14 OMPI
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Dependencies
       run: .github/workflows/setup/macos.sh
     - name: Build & Install
@@ -32,7 +32,7 @@ jobs:
     name: AppleClang@11.0 C++14 OMP OMPI
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Dependencies
       run: .github/workflows/setup/macos_omp.sh
     - name: Build & Install
diff --git a/.github/workflows/hip.yml b/.github/workflows/hip.yml
index e092e895ce..b45dc8b97a 100644
--- a/.github/workflows/hip.yml
+++ b/.github/workflows/hip.yml
@@ -16,14 +16,14 @@ jobs:
     # -Werror
     env: {CXXFLAGS: "-Wno-deprecated-declarations -Wno-error=pass-failed"}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
 
     - name: install dependencies
       shell: bash
       run: .github/workflows/setup/hip.sh
 
     - name: CCache Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 15bf64de8a..a22a311558 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -21,11 +21,11 @@ jobs:
     runs-on: ubuntu-latest
     env: {OMP_NUM_THREADS: 2}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Dependencies
       run: .github/workflows/setup/ubuntu_ompi.sh
     - name: CCache Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
@@ -52,11 +52,11 @@ jobs:
     runs-on: ubuntu-latest
     env: {OMP_NUM_THREADS: 2}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Dependencies
       run: .github/workflows/setup/ubuntu.sh
     - name: CCache Cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
@@ -83,7 +83,7 @@ jobs:
 #    name: Clang@7 C++17 OMPI
 #    runs-on: ubuntu-latest
 #    steps:
-#    - uses: actions/checkout@v2
+#    - uses: actions/checkout@v4
 #    - name: Dependencies
 #      run: .github/workflows/setup/ubuntu_clang.sh
 #    - name: Build & Install
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 0e237817e1..bc0b9938f5 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -44,7 +44,7 @@ jobs:
         brew install ccache
         brew link ccache
     - name: CCache Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
diff --git a/.github/workflows/source.yml b/.github/workflows/source.yml
index fed244d747..38a03b0cae 100644
--- a/.github/workflows/source.yml
+++ b/.github/workflows/source.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Non-ASCII characters
       run: .github/workflows/source/hasNonASCII
     - name: TABs
@@ -30,7 +30,7 @@ jobs:
   documentation:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: s-weigand/setup-conda@v1
       with:
         update-conda: true
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index bbb2ab89d3..1aad06ff82 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -12,9 +12,9 @@ jobs:
     runs-on: windows-latest
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: CCache Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with:
@@ -52,9 +52,9 @@ jobs:
     runs-on: windows-2019
     if: github.event.pull_request.draft == false
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: CCache Cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       # - once stored under a key, they become immutable (even if local cache path content changes)
       # - for a refresh the key has to change, e.g., hash of a tracked file in the key
       with: