diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d8520c9fe..20542cba2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -4,6 +4,7 @@ on:
     branches:
       - '1.18.x/*'
       - '1.19.2/*'
+      - '1.20/*'
   pull_request:
     types: [ opened, synchronize, reopened ]
 jobs: