diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b63888e..86f9f1a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
 
       - name: Set up Java
         uses: actions/setup-java@v1
diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index ec7ac13..159a3b8 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
 
       - name: Set up Java
         uses: actions/setup-java@v1
diff --git a/.github/workflows/root.yml b/.github/workflows/root.yml
index 0e44fed..7e08e10 100644
--- a/.github/workflows/root.yml
+++ b/.github/workflows/root.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v4
 
       - name: Set up Java
         uses: actions/setup-java@v1