diff --git a/.github/workflows/reason.yml b/.github/workflows/reason.yml
index 248a038..3b1a22a 100644
--- a/.github/workflows/reason.yml
+++ b/.github/workflows/reason.yml
@@ -2,9 +2,9 @@ name: Ontology CI
 
 on:
   push:
-    branches: [main]
+    branches: [master]
   pull_request:
-    branches: [main]
+    branches: [master]
 
 jobs:
   reasoning: