diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e2a0bde..6ced7aa 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,10 +11,10 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
 
       - name: Set up Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f #v6.3.0
         with:
           node-version: '20'
 
diff --git a/.github/workflows/test-on-pr-branch.yml b/.github/workflows/test-on-pr-branch.yml
index 5d10d63..0465c65 100644
--- a/.github/workflows/test-on-pr-branch.yml
+++ b/.github/workflows/test-on-pr-branch.yml
@@ -6,10 +6,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
 
       - name: Set up Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f #v6.3.0
         with:
           node-version: '20'
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 86c9300..feffcd6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,10 +6,10 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
 
       - name: Set up Node.js
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f #v6.3.0
         with:
           node-version: '20'