diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9362827..dc11b03 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,11 +10,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout Code
-        uses: actions/checkout@v5
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - name: Set up Java
-        uses: actions/setup-java@v5
+      - uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
         with:
           distribution: 'temurin'
           java-version: '8'
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 960613d..2d92f0b 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -7,11 +7,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Checkout Code
-        uses: actions/checkout@v5
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
-      - name: Set up Java
-        uses: actions/setup-java@v5
+      - uses: actions/setup-java@de7274f081f381c8f8158605e0321c36c376e2e6 # v6.0.1
         with:
           distribution: 'temurin'
           java-version: '8'
diff --git a/.github/workflows/github-release.yml b/.github/workflows/github-release.yml
index 816ab46..4eae0f7 100644
--- a/.github/workflows/github-release.yml
+++ b/.github/workflows/github-release.yml
@@ -17,8 +17,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
 
       - name: Create GitHub Release
         env: