diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5338dda..2c280ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ code_analyze:
 
 build_web:
   stage: coverage
-  image: cirrusci/flutter:master
+  image: cirrusci/flutter:beta
   script:
     - flutter config --enable-web
     - flutter build web --release