diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 94509392..eeafaa7e 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,6 +2,9 @@ name: tests
 
 on:
   push:
+    branches:
+      - master
+      - '*.x'
   pull_request:
   schedule:
     - cron: '0 0 * * *'