diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9c95dde..f701573 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
       with:
         go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v3.1.0
     - name: cache
       uses: actions/cache@v3
       with:
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.1.0
       - name: lint
         uses: golangci/golangci-lint-action@v3.2.0
         continue-on-error: true
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 2f6c6de..9ae8655 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -43,7 +43,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v3.1.0
     - name: setup
       uses: actions/setup-go@v3
       with:
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index b7f1bcf..3c8d9c9 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -14,7 +14,7 @@ jobs:
       with:
         go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v3.1.0
     - name: cache
       uses: actions/cache@v3
       with:
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.1.0
       - name: lint
         uses: golangci/golangci-lint-action@v3.2.0
         continue-on-error: true
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 302f4f2..b7e1721 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -13,7 +13,7 @@ jobs:
       with:
         go-version: 1.15
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3.1.0
     - name: cache
       uses: actions/cache@v3
       with:
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.1.0
       - name: lint
         uses: golangci/golangci-lint-action@v3.2.0
         continue-on-error: true