diff --git a/.github/workflows/post-merge-deploy.yml b/.github/workflows/post-merge-deploy.yml
index a38d6fd..4187f34 100644
--- a/.github/workflows/post-merge-deploy.yml
+++ b/.github/workflows/post-merge-deploy.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Node.js version
         uses: actions/setup-node@v6.4.0
@@ -79,7 +79,7 @@ jobs:
     environment: Development
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Node.js version
         uses: actions/setup-node@v6.4.0
@@ -104,7 +104,7 @@ jobs:
     environment: Production
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Node.js version
         uses: actions/setup-node@v6.4.0
diff --git a/.github/workflows/pre-merge.yml b/.github/workflows/pre-merge.yml
index c4d1853..85dc6ac 100644
--- a/.github/workflows/pre-merge.yml
+++ b/.github/workflows/pre-merge.yml
@@ -11,7 +11,7 @@ jobs:
     if: ${{ !github.event.pull_request.draft }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v6.0.2
 
       - name: Set up Node.js version
         uses: actions/setup-node@v6.4.0