diff --git a/.github/workflows/unit_tests_macos.yml b/.github/workflows/unit_tests_macos.yml
index 0e5f491..b94bd73 100644
--- a/.github/workflows/unit_tests_macos.yml
+++ b/.github/workflows/unit_tests_macos.yml
@@ -4,7 +4,7 @@
 name: CI run MacOS
 
 on:
-  pull_request:
+  pull_request: [3.3dev]
     paths-ignore:
       - 'utils/**'
       - 'doc/**'