diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 83d057e..c4a782d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,10 +14,10 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
 
       - name: Publish features to ghcr.io
-        uses: devcontainers/action@v1
+        uses: devcontainers/action@1082abd5d2bf3a11abccba70eef98df068277772 # v1
         with:
           publish-features: "true"
           base-path-to-features: "./src"