diff --git a/.ci/flutter_master.version b/.ci/flutter_master.version
index bf521921e77..c8d84d9cbe9 100644
--- a/.ci/flutter_master.version
+++ b/.ci/flutter_master.version
@@ -1 +1 @@
-c85fa6abf4ffe253109bc5cac762e46d1853d325
+421c8c5ef59c2086ff56c427c3b1ce113f0b46b2