diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 70ed7ba..51e642a 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -7,7 +7,7 @@ on:
 
 jobs:
   build:
-    uses: famedly/backend-build-workflows/.github/workflows/docker-backend.yml@main
+    uses: famedly/backend-build-workflows/.github/workflows/docker-backend.yml@fcc2ec82a725d5c4c9c6a8f19e8df101c178dcb6
     secrets: inherit
     with:
       name: hookd
diff --git a/.github/workflows/rust-workflow.yml b/.github/workflows/rust-workflow.yml
index b7f1122..8efb7ee 100644
--- a/.github/workflows/rust-workflow.yml
+++ b/.github/workflows/rust-workflow.yml
@@ -17,7 +17,7 @@ jobs:
       issues: write
       pull-requests: write
       contents: read
-    uses: famedly/backend-build-workflows/.github/workflows/rust-workflow.yml@v1
+    uses: famedly/backend-build-workflows/.github/workflows/rust-workflow.yml@fcc2ec82a725d5c4c9c6a8f19e8df101c178dcb6
     with:
       # This repository doesn't currently have any tests
       testcov_args: --no-tests=warn