diff --git a/.github/workflows/add-to-project.yml b/.github/workflows/add-to-project.yml
index 5baf6af..85f56e5 100644
--- a/.github/workflows/add-to-project.yml
+++ b/.github/workflows/add-to-project.yml
@@ -6,7 +6,7 @@ on:
       - opened
 jobs:
   add-to-project:
-    uses: famedly/github-workflows/.github/workflows/add-to-project.yml@github-v1
+    uses: famedly/github-workflows/.github/workflows/add-to-project.yml@57b383862ba81dfa265bb33d492e2bbcbc96891d
     with:
       project-url: https://github.com/orgs/famedly/projects/6
     secrets: inherit
diff --git a/.github/workflows/authenticate-commits.yml b/.github/workflows/authenticate-commits.yml
index 855007b..697011e 100644
--- a/.github/workflows/authenticate-commits.yml
+++ b/.github/workflows/authenticate-commits.yml
@@ -13,6 +13,6 @@ jobs:
 
     steps:
       - name: Authenticating commits
-        uses: sequoia-pgp/authenticate-commits@v1
+        uses: sequoia-pgp/authenticate-commits@7880c1fe9a32b85ba665e02fb827054a83627a04
         with:
           comment: on-error
diff --git a/.github/workflows/ff-merge.yml b/.github/workflows/ff-merge.yml
index 89b545c..eac7c1b 100644
--- a/.github/workflows/ff-merge.yml
+++ b/.github/workflows/ff-merge.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Fast forwarding
-        uses: sequoia-pgp/fast-forward@v1
+        uses: sequoia-pgp/fast-forward@e2c6fb52f977408912b000ad4577a669f1c4f5fe
         with:
           merge: true
           comment: on-error