diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index edeb921..6879d3b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,11 +15,11 @@ jobs :
     runs-on : ubuntu-latest
     steps :
       - uses : actions/checkout@v3
-      - name : Set up JDK 17
+      - name : Set up JDK 21
         uses : actions/setup-java@v3
         with :
           distribution : 'corretto'
-          java-version : '17'
+          java-version : '21'
       - name : Grant execute permission for gradlew
         run : chmod +x gradlew
       - name : Create addon jar