diff --git a/.github/workflows/installation_test.yml b/.github/workflows/installation_test.yml
index da6d168..28fe6da 100644
--- a/.github/workflows/installation_test.yml
+++ b/.github/workflows/installation_test.yml
@@ -4,7 +4,7 @@ on:
   push:
      branches: [ "main" ]
   pull_request: 
-    branches: [ "main", "dev" ]        
+    branches: [ "main"]        
   workflow_dispatch:
     inputs:
       name:
@@ -31,8 +31,8 @@ jobs:
           # # windows-latest,
           windows-2022,
           windows-2019,
-          # # macos-latest,
-          macos-12.0,
+          macos-latest,
+          #macos-12.0,
           macos-11.0,
           # macos-10.15,
         ]