diff --git a/ci/ada.yml b/ci/ada.yml
index c2d49b8..a27902a 100644
--- a/ci/ada.yml
+++ b/ci/ada.yml
@@ -2,9 +2,9 @@ name: Ada (GNAT)
 
 on:
   push:
-    branches: [ master ]
+    branches: [ $default-branch ]
   pull_request:
-    branches: [ master ]
+    branches: [ $default-branch ]
 
 jobs:
   build: