diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6cfe5a8..9eb0fc4 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           token: ${{ secrets.HCLOUD_BOT_TOKEN }}
           fetch-depth: 0
diff --git a/.github/workflows/releaser-pleaser.yml b/.github/workflows/releaser-pleaser.yml
index b679454..61435d5 100644
--- a/.github/workflows/releaser-pleaser.yml
+++ b/.github/workflows/releaser-pleaser.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: releaser-pleaser
-        uses: apricote/releaser-pleaser@v0.8.0
+        uses: apricote/releaser-pleaser@a1ce9493fd3f3abe60f22c37249d257bc10081dc # v0.8.0
         with:
           token: ${{ secrets.HCLOUD_BOT_TOKEN }}
           updaters: packagejson