diff --git a/.github/workflows/genJar.yml b/.github/workflows/genJar.yml
index 9a6c274d..7d6086de 100644
--- a/.github/workflows/genJar.yml
+++ b/.github/workflows/genJar.yml
@@ -8,15 +8,14 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-20.04
-    
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: set up JDK 21
-      uses: actions/setup-java@v2
+    - uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v5
       with:
         java-version: '21'
-        distribution: 'adopt'
+        distribution: 'jetbrains'
         cache: gradle
         
     - name: Grant execute permission to gradlew