diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2eaf8cb..1af0979 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,10 +9,10 @@ jobs:
         uses: actions/checkout@v2
       - name: Validate gradle wrapper
         uses: gradle/wrapper-validation-action@v1
-      - name: Setup JDK 17
+      - name: Setup JDK 21
         uses: actions/setup-java@v1
         with:
-          java-version: 17
+          java-version: 21
       - name: Ensure gradlew is executable
         run: chmod +x ./gradlew
       - name: Build with gradle
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 043b52a..308d353 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v1
         with:
-          java-version: 17
+          java-version: 21
 
       - name: Grant execute permission for gradlew
         run: chmod +x gradlew