diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c1ae65d..cd4cd36 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,12 +13,12 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
         with:
           fetch-depth: 0
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           node-version: 24
           cache: 'yarn'
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a3c2740..1fde275 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -18,16 +18,16 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Validate PR title
-        uses: teneplaysofficial/sheriff@v5
+        uses: teneplaysofficial/sheriff@fe16e6cbcf9d1db3523f7f0f63cfba59db59a5f6 # v5
 
   test:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
 
       - name: Setup Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           cache: yarn