diff --git a/.ci/flutter_master.version b/.ci/flutter_master.version
index 563022ce398..6826c44ff9e 100644
--- a/.ci/flutter_master.version
+++ b/.ci/flutter_master.version
@@ -1 +1 @@
-2a230d1e8037a412a52374bda191dccfb2a1bd61
+421defc7a78d7a3d7d18c95ab0ad514f318945af