diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 0572d39..b86dc00 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -20,6 +20,9 @@ jobs:
       matrix:
         operating-system: [ubuntu-latest, windows-latest, macos-latest]
         channel: [stable, beta, master]
+        include:
+          - operating-system: ubuntu-latest
+            channel: main
     steps:
     - uses: actions/checkout@v3
     - id: flutter-action
diff --git a/README.md b/README.md
index 15d18af..294b785 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ steps:
 - uses: actions/checkout@v3
 - uses: subosito/flutter-action@v2
   with:
-    channel: 'stable' # or: 'beta', 'dev' or 'master'
+    channel: 'stable' # or: 'beta', 'dev', 'master' (or 'main')
 - run: flutter --version
 ```