diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a945d99..4f6a726 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     name: Checkstyle
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up JDK 25
         uses: actions/setup-java@v5
         with:
@@ -37,7 +37,7 @@ jobs:
           - '21'
           - '25'
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up JDK ${{ matrix.java-version }}
         uses: actions/setup-java@v5
         with:
diff --git a/.github/workflows/deploy-javadoc.yml b/.github/workflows/deploy-javadoc.yml
index 26b624b..c20c130 100644
--- a/.github/workflows/deploy-javadoc.yml
+++ b/.github/workflows/deploy-javadoc.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Extract version from tag
         id: version
@@ -38,7 +38,7 @@ jobs:
         run: ./gradlew javadoc
 
       - name: Check out gh-pages branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: gh-pages
           path: gh-pages
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5eb9903..1d26f71 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -14,7 +14,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK 25
         uses: actions/setup-java@v5
diff --git a/.github/workflows/update-gradle-wrapper.yml b/.github/workflows/update-gradle-wrapper.yml
index b805869..7460b11 100644
--- a/.github/workflows/update-gradle-wrapper.yml
+++ b/.github/workflows/update-gradle-wrapper.yml
@@ -18,7 +18,7 @@ jobs:
         java-version:
           - '25'
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Update Gradle Wrapper
         uses: gradle-update/update-gradle-wrapper-action@v2
         with: