diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 8e3e8e0..b8c2c42 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest, windows-2019]
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: Prepare dependencies
       run:   |
          if [ "$RUNNER_OS" == "Linux" ]; then
diff --git a/.github/workflows/doxygen-gh-pages.yml b/.github/workflows/doxygen-gh-pages.yml
index c7d792e..1b681f0 100644
--- a/.github/workflows/doxygen-gh-pages.yml
+++ b/.github/workflows/doxygen-gh-pages.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout 🛎️
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       - name: Install Doxygen
         run: sudo apt-get install doxygen graphviz -y
       #- name: configure