diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 6225e86..dbffc87 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -4,7 +4,7 @@ name: OpenMapTiles CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ master, master-tools ]
   pull_request:
 
 jobs: