diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 560c644..0542cad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -23,10 +23,10 @@ jobs:
         id: short_sha
         run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-7)"
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v1
         with:
-          java-version: 17
+          java-version: 21
 
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew