diff --git a/.github/workflows/build-pg-verein-pr.yml b/.github/workflows/build-pg-verein-pr.yml
index 25b5c0e..e3dec84 100644
--- a/.github/workflows/build-pg-verein-pr.yml
+++ b/.github/workflows/build-pg-verein-pr.yml
@@ -30,7 +30,7 @@ jobs:
   call-build-workflow:
     name: Build & Push
     needs: get-version
-    uses: erhardtconsulting/relational-databases/.github/workflows/build-container.yml@main
+    uses: erhardtconsulting/relational-databases/.github/workflows/build-container.yml@45b1900c5221157edac0153607da97a8d9d92642 # main
     with:
       context: "postgres"
       dockerfile: "postgres/verein.Dockerfile"
diff --git a/.github/workflows/build-pg-verein.yml b/.github/workflows/build-pg-verein.yml
index 2edb248..174bf33 100644
--- a/.github/workflows/build-pg-verein.yml
+++ b/.github/workflows/build-pg-verein.yml
@@ -30,7 +30,7 @@ jobs:
   call-build-workflow:
     name: Build & Push
     needs: get-version
-    uses: erhardtconsulting/relational-databases/.github/workflows/build-container.yml@main
+    uses: erhardtconsulting/relational-databases/.github/workflows/build-container.yml@45b1900c5221157edac0153607da97a8d9d92642 # main
     with:
       context: "postgres"
       dockerfile: "postgres/verein.Dockerfile"