diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 70b9471..0538333 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 # v6
 
       - name: Prepare environment
         run: |