diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index acec9e9bc..7edf1488f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     environment: ci
     runs-on: 'ubuntu-22.04'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v2
         with:
           java-version: 8
diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index f090ce0e0..e70f90452 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -9,7 +9,7 @@ jobs:
       matrix:
         java: [8,11,20]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v2
         with:
           java-version: ${{ matrix.java }}
@@ -27,7 +27,7 @@ jobs:
       matrix:
         java: [8,11,20]
     steps:
-     - uses: actions/checkout@v2
+     - uses: actions/checkout@v6
      - uses: actions/setup-java@v2
        with:
            java-version: ${{ matrix.java }}
@@ -45,7 +45,7 @@ jobs:
       matrix:
         java: [8,11,20]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v2
         with:
           java-version: ${{ matrix.java }}
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 060fe7c1f..3bc5de29d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -9,7 +9,7 @@ jobs:
     environment: ci
     runs-on: 'ubuntu-22.04'
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v2
         with:
           java-version: 8