diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b71e9aa..34dcc29 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -3,10 +3,10 @@ name: main
 on:
   pull_request:
     branches:
-      - main
+      - master
   push:
     branches:
-      - main
+      - master
 jobs:
   build-and-test:
     runs-on: ${{ matrix.os }}
@@ -18,21 +18,12 @@ jobs:
       - name: Setup ROS 2
         uses: ros-tooling/setup-ros@0.7.0
         with:
-          required-ros-distributions: humble
-          
-      - name: Checkout repository
-        uses: actions/checkout@v3
-          
-      - name: build and test
+          required-ros-distributions: humble       
+      - name: build
         uses: ros-tooling/action-ros-ci@0.3.3
         with:
           package-name: plansys2_action_clients
           target-ros2-distro: humble
           vcs-repo-file-url: https://raw.githubusercontent.com/JRL-CARI-CNR-UNIBS/plansys2_action_clients/master/dependencies.repos
           rosdep-check: true        
-          colcon-defaults: |
-            {
-              "test": {
-                "parallel-workers" : 1
-              }
-            }
+