diff --git a/.github/workflows/dev_build.yml b/.github/workflows/dev_build.yml
index 09ee70b..2147b5d 100644
--- a/.github/workflows/dev_build.yml
+++ b/.github/workflows/dev_build.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: 21
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index c6acb8a..c54d097 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -5,7 +5,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
         with:
           java-version: 21