diff --git a/.gitea/workflows/renovate.yml b/.gitea/workflows/renovate.yml
index a13cf43..3a04ed1 100644
--- a/.gitea/workflows/renovate.yml
+++ b/.gitea/workflows/renovate.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Run Renovate
-        uses: docker://renovate/renovate:43
+        uses: docker://renovate/renovate:43@sha256:459b7e28aa54fa2fa7db83df6a2d6ad26de416a054ee554e7833203adf3d9a47
         env:
           RENOVATE_PLATFORM: 'gitea'
           # Nutze hier deine DuckDNS-Adresse aus der Compose-Datei