diff --git a/.travis.yml b/.travis.yml
index 6a7185dc..6abd11c0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,5 +3,5 @@ sudo: false
 dart:
   - stable
   - dev
-  - 1.21.0
+  - 1.21.1
 script: ./tool/travis.sh