diff --git a/.github/workflows/black-fix.yml b/.github/workflows/black-fix.yml
index 5cddbbfac6..4306ee8b43 100644
--- a/.github/workflows/black-fix.yml
+++ b/.github/workflows/black-fix.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         ref: ${{ github.head_ref }}
 
diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index 4c1307d7c9..678960ba3e 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       # Checkout the pull request branch, also include all history
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
           fetch-depth: 0
diff --git a/.github/workflows/clang-tidy-review.yml b/.github/workflows/clang-tidy-review.yml
index 3f20db608f..f0f3c73dac 100644
--- a/.github/workflows/clang-tidy-review.yml
+++ b/.github/workflows/clang-tidy-review.yml
@@ -16,7 +16,7 @@ jobs:
     if: ${{ !endsWith(github.head_ref, '-rc') }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
 
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 1380d0ea8e..0b510c48e8 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -52,7 +52,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Log in to the Container registry
         uses: docker/login-action@master
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index fc5e84662c..915265e850 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -17,7 +17,7 @@ jobs:
     if: always()
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         submodules: true
@@ -57,7 +57,7 @@ jobs:
     if: always()
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         submodules: true
@@ -106,7 +106,7 @@ jobs:
     if: always()
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
         submodules: true
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 314ee196ae..f2c3618fab 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -168,7 +168,7 @@ jobs:
                  libparpack2-dev
                  libhypre-dev
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
 
@@ -205,7 +205,7 @@ jobs:
     timeout-minutes: 120
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - name: Build Fedora
@@ -219,7 +219,7 @@ jobs:
     container: ghcr.io/ggeorgakoudis/boutdev-cuda:latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - name: Build minimal CUDA 12.2 @ GCC9.4.0 @ Ubuntu 20.04