diff --git a/.github/workflows/test-auto-generated.yml b/.github/workflows/test-auto-generated.yml
index 4a14aa9..a0a3d50 100644
--- a/.github/workflows/test-auto-generated.yml
+++ b/.github/workflows/test-auto-generated.yml
@@ -20,10 +20,10 @@ jobs:
     runs-on: ubuntu-latest
     container: kambi/castle-engine-cloud-builds-tools:cge-unstable
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Checkout castle-model-viewer (with castle-model-converter)
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
       with:
         repository: castle-engine/castle-model-viewer
         path: castle-model-viewer