diff --git a/.github/workflows/build_docs.yml b/.github/workflows/build_docs.yml
index dc9f9c0bd..d1ba1184c 100644
--- a/.github/workflows/build_docs.yml
+++ b/.github/workflows/build_docs.yml
@@ -28,7 +28,7 @@
 
      steps:
        - name: Checkout repo
-         uses: actions/checkout@v5
+         uses: actions/checkout@v6
          with:
            fetch-depth: 0 # Fetch all history for all branches and tags.
  
diff --git a/.github/workflows/release_and_publish.yml b/.github/workflows/release_and_publish.yml
index cfb1b867c..81b406f27 100644
--- a/.github/workflows/release_and_publish.yml
+++ b/.github/workflows/release_and_publish.yml
@@ -28,7 +28,7 @@
 
      steps:
        - name: Checkout repo
-         uses: actions/checkout@v5
+         uses: actions/checkout@v6
          with:
            fetch-depth: 0 # Fetch all history for all branches and tags.
 
diff --git a/.github/workflows/reverse.yml b/.github/workflows/reverse.yml
index eb59ece89..c20123ed7 100644
--- a/.github/workflows/reverse.yml
+++ b/.github/workflows/reverse.yml
@@ -16,7 +16,7 @@ jobs:
     name: Reverse dependency testing
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/unittests.yml b/.github/workflows/unittests.yml
index 2d89b7198..4dc2a9815 100644
--- a/.github/workflows/unittests.yml
+++ b/.github/workflows/unittests.yml
@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.