diff --git a/.forgejo/workflows/renovater.yml b/.forgejo/workflows/renovater.yml
index ab28968..3471211 100644
--- a/.forgejo/workflows/renovater.yml
+++ b/.forgejo/workflows/renovater.yml
@@ -9,9 +9,9 @@ on:
 jobs:
   renovate:
     runs-on: docker
-    container: ghcr.io/renovatebot/renovate:latest
+    container: ghcr.io/renovatebot/renovate:latest@sha256:13df9a2dce83b9c0fc8590d59cb2fe4334ae3cba774049d561a9465535804f9f
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
       - run: renovate
         env:
           RENOVATE_CONFIG_FILE: "/workspace/watson/renovater/config.js"