diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bee1b7e..cbbd85a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,7 +3,7 @@ name: CI rosidl_typesupport_microxrcedds
 on:
     pull_request:
       branches:
-        - 'main'
+        - 'iron'
     schedule:
       - cron: '33 6 * * *'
 
@@ -14,15 +14,15 @@ jobs:
       strategy:
         fail-fast: false
         matrix:
-          ros_distribution: [ rolling ]
+          ros_distribution: [ iron ]
       container:
         image: ubuntu:jammy
 
       steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           path: src/rosidl_typesupport_microxrcedds
-      - uses: ros-tooling/setup-ros@0.3.2
+      - uses: ros-tooling/setup-ros@0.6.2
         with:
           use-ros2-testing: false
           required-ros-distributions: ${{ matrix.ros_distribution }}
@@ -31,7 +31,7 @@ jobs:
         run: |
           git clone -b ros2 https://github.com/eProsima/Micro-CDR src/Micro-CDR
           git clone -b ros2 https://github.com/eProsima/Micro-XRCE-DDS-Client src/Micro-XRCE-DDS-Client
-          git clone -b main https://github.com/micro-ROS/rmw-microxrcedds src/rmw-microxrcedds
+          git clone -b iron https://github.com/micro-ROS/rmw-microxrcedds src/rmw-microxrcedds
           # Install coverage tools
           apt update && apt install -y python3-pip curl
           pip3 install gcovr