diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 4981fc3..5cee14c 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: run protolint
         uses: plexsystems/protolint-action@v0.7.0
 
@@ -28,7 +28,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout source
-        uses: actions/checkout@v3
+        uses: actions/checkout@v6
       - name: run buf
         uses: bufbuild/buf-action@v1
         with: