diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5b7e9c0b4..6b520c6f3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -45,7 +45,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -65,7 +65,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index aa6835683..73497f4c1 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       - name: Configure git
         run: |
           git submodule init
diff --git a/.github/workflows/pr-gate-ci.yml b/.github/workflows/pr-gate-ci.yml
index 5d015bffd..79fe5e2c5 100644
--- a/.github/workflows/pr-gate-ci.yml
+++ b/.github/workflows/pr-gate-ci.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -57,7 +57,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
@@ -82,6 +82,6 @@ jobs:
       GH_TOKEN: ${{ github.token }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Merge
         run: gh pr merge "${GITHUB_HEAD_REF}" --merge --auto
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 140f685e2..4b3b675be 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1
diff --git a/.github/workflows/snapshot-release.yml b/.github/workflows/snapshot-release.yml
index d127c2f58..c0bc43ac9 100644
--- a/.github/workflows/snapshot-release.yml
+++ b/.github/workflows/snapshot-release.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Set up JDK ${{ matrix.java_version }}
         uses: actions/setup-java@v1