diff --git a/.travis.yml b/.travis.yml
index dd393f44..41cbc3a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,13 +3,13 @@ language: ruby
 env:
 # Language specs, defined in sass/sass-spec
 - TASK=specs   DART_VERSION=latest
-- TASK=specs   DART_VERSION=1.20.1
-- TASK=specs   DART_VERSION=1.19.1
+- TASK=specs   DART_VERSION=1.22.1
+- TASK=specs   DART_VERSION=1.21.1
 
 # Unit tests, defined in test/.
 - TASK=tests   DART_VERSION=latest
-- TASK=tests   DART_VERSION=1.20.1
-- TASK=tests   DART_VERSION=1.19.1
+- TASK=tests   DART_VERSION=1.22.1
+- TASK=tests   DART_VERSION=1.21.1
 - TASK=tests   DART_VERSION=latest NODE_VERSION=stable
 - TASK=tests   DART_VERSION=latest NODE_VERSION=v6.9.1
 - TASK=tests   DART_VERSION=latest NODE_VERSION=v4.6.2