diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index f429fca..502d473 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -48,7 +48,8 @@ jobs:
       - uses: actions/checkout@v2
       - uses: subosito/flutter-action@v1
         with:
-          sdk: dev
+          channel: dev
+          flutter-version: "2.6.0-11.0.pre"
 
       - name: Install dependencies
         run: flutter pub get