diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index f413a03..7b16813 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -16,10 +16,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 17
+    - name: Set up JDK 21
       uses: actions/setup-java@v2
       with:
-        java-version: '17'
+        java-version: '21'
         distribution: 'adopt'
     - name: Build with gradle
       run: ./gradlew shadowJar
diff --git a/jitpack.yml b/jitpack.yml
index efde7bf..727c9ab 100644
--- a/jitpack.yml
+++ b/jitpack.yml
@@ -1,2 +1,2 @@
 jdk:
-  - openjdk17
+  - openjdk21