diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index ea460a3..f3e951a 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -24,6 +24,6 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: '17'
+          java-version: '21'
       - name: Gradle Test Build
         run: ./gradlew clean shadowJar