diff --git a/.github/workflows/sandbox.yml b/.github/workflows/sandbox.yml
index 2588880..5881638 100644
--- a/.github/workflows/sandbox.yml
+++ b/.github/workflows/sandbox.yml
@@ -20,7 +20,7 @@ jobs:
         with:
           java-version: ${{ matrix.java }}
           distribution: 'temurin'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-jdk-${{ matrix.java }}-maven-${{ hashFiles('**/pom.xml') }}