diff --git a/.github/workflows/R-packages.yaml b/.github/workflows/R-packages.yaml
index 9d3cd29..a7115d1 100644
--- a/.github/workflows/R-packages.yaml
+++ b/.github/workflows/R-packages.yaml
@@ -24,7 +24,7 @@ jobs:
       matrix:
         package: [openproblems, openproblems.docs, openproblems.utils]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2
         with:
@@ -52,7 +52,7 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
       R_KEEP_PKG_SOURCE: yes
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: r-lib/actions/setup-r@v2
         with:
diff --git a/.github/workflows/docker-build.yaml b/.github/workflows/docker-build.yaml
index e4105e4..e096f56 100644
--- a/.github/workflows/docker-build.yaml
+++ b/.github/workflows/docker-build.yaml
@@ -27,7 +27,7 @@ jobs:
       component_matrix: ${{ steps.ns_list.outputs.output_matrix }}
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           sparse-checkout: |
             base_images
@@ -65,7 +65,7 @@ jobs:
       # Remove unnecessary files to free up space.
       - uses: data-intuitive/reclaim-the-bytes@v2
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           sparse-checkout: |
             base_images
diff --git a/.github/workflows/python-packages.yaml b/.github/workflows/python-packages.yaml
index 74d407a..6aadc1e 100644
--- a/.github/workflows/python-packages.yaml
+++ b/.github/workflows/python-packages.yaml
@@ -17,7 +17,7 @@ jobs:
         package: [openproblems]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Using Python 3.10
       uses: actions/setup-python@v5
@@ -40,7 +40,7 @@ jobs:
         package: [openproblems]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5