diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 229531f..85ad546 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -1,6 +1,9 @@
 name: CI
 on:
-  - push
+  - push:
+      branches:
+        - 'master'
+        - 'release-'
   - pull_request
 
 jobs: