diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index a93fc1f..5794487 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 1.8
+    - name: Set up JDK 8
       uses: actions/setup-java@v3
       with:
         java-version: '8'
@@ -32,6 +32,11 @@ jobs:
       with:
         java-version: '17'
         distribution: 'adopt'
+    - name: Set up JDK 21
+      uses: actions/setup-java@v3
+      with:
+        java-version: '21'
+        distribution: 'adopt'
     - name: Change wrapper permissions
       run: chmod +x ./gradlew
     - name: Validate Gradle wrapper
@@ -45,5 +50,5 @@ jobs:
     - name: Upload jars artifact
       uses: actions/upload-artifact@v3
       with:
-        name: mpkmod-build.${{ env.NOW }}
+        name: mpkmod.${{ env.NOW }}
         path: build/libs/*.jar