diff --git a/.travis.yml b/.travis.yml
index 4ad419a25b..98f16970ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,9 @@ env:
     - BUILD_CONFIGURATION=Release
 
 mono:
+    - 4.8.0
     - 4.6.2
+    - 4.4.2
     - 4.2.4
     - 4.0.5