diff --git a/.github/workflows/spec.yml b/.github/workflows/spec.yml
index e6fb3248e..86576bace 100644
--- a/.github/workflows/spec.yml
+++ b/.github/workflows/spec.yml
@@ -6,9 +6,9 @@ env:
 
 on:
   push:
-    branches: [ Pharo11, dev-1.0 ]
+    branches: [ Pharo11, dev-1.0, dev-3.0 ]
   pull_request:
-    branches: [ Pharo11, dev-1.0 ]
+    branches: [ Pharo11, dev-1.0. dev-3.0 ]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: