diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 913e019..d4abc4a 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -5,7 +5,7 @@ name: Java CI with Gradle
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "1.20.4" ]
     paths-ignore:
       - '*.md'