diff --git a/.github/workflows/android_build.yml b/.github/workflows/android_build.yml
index a92ae3b..5e31f5b 100644
--- a/.github/workflows/android_build.yml
+++ b/.github/workflows/android_build.yml
@@ -13,7 +13,7 @@ jobs:
         os: [ macos-latest, ubuntu-latest, windows-latest ]
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties
@@ -38,7 +38,7 @@ jobs:
         managed-virtual-device: [ 27, 28, 29, 30, 31, 32, 33, 34 ]
     steps:
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Copy CI gradle.properties
         run: mkdir -p ~/.gradle ; cp .github/ci-gradle.properties ~/.gradle/gradle.properties