diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3a68582..998d68f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
     permissions:
       contents: write
       pull-requests: write
-    uses: fastify/workflows/.github/workflows/plugins-ci.yml@v6
+    uses: fastify/workflows/.github/workflows/plugins-ci.yml@2073dc8e1f9e172bf42daa3843c9dbd31af1e8cb # v6.0.0
     with:
       license-check: true
       lint: true
diff --git a/.github/workflows/lock-threads.yml b/.github/workflows/lock-threads.yml
index bd263f2..3c10b10 100644
--- a/.github/workflows/lock-threads.yml
+++ b/.github/workflows/lock-threads.yml
@@ -16,4 +16,4 @@ jobs:
     permissions:
       issues: write
       pull-requests: write
-    uses: fastify/workflows/.github/workflows/lock-threads.yml@v6
+    uses: fastify/workflows/.github/workflows/lock-threads.yml@2073dc8e1f9e172bf42daa3843c9dbd31af1e8cb # v6.0.0