diff --git a/.gitea/workflows/renovate.yaml b/.gitea/workflows/renovate.yaml
index 92582ca..d5aa8e5 100644
--- a/.gitea/workflows/renovate.yaml
+++ b/.gitea/workflows/renovate.yaml
@@ -10,9 +10,9 @@ on:
 jobs:
   renovate:
     runs-on: ubuntu-latest
-    container: ghcr.io/renovatebot/renovate:37.266.0
+    container: ghcr.io/renovatebot/renovate:37.266.0@sha256:4747a4a9ffc5621f4ea7983069fc3c977a99fb19045ca918a5452642de621c2a
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - run: renovate
         env:
           RENOVATE_CONFIG_FILE: "${{ gitea.workspace }}/config.js"