diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 1649db4..a2e492c 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -1,10 +1,6 @@
 name: Java CI
 
 on: 
-  push:
-    branches: 
-      - master
-      - dev
   pull_request:
     branches: 
       - master
@@ -23,10 +19,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       
-    - name: Set up JDK 13
+    - name: Set up JDK 11
       uses: actions/setup-java@v1
       with:
-        java-version: 13
+        java-version: 11
 
     - uses: actions/cache@v1
       with: