diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index cb27803..8490f62 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 34e5d86..2c88546 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -28,7 +28,7 @@ jobs:
         echo "Reason for triggering: ${{ github.event.inputs.reason }}"
 
     - name: Check out
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         fetch-depth: 0  # unshallow fetch for setuptools-scm
 
diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 948f1c1..f9ae86f 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0  # Fetch full history for setuptools_scm