diff --git a/.travis.yml b/.travis.yml
index fd27633..b9c3a6c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,9 +5,8 @@ os:
   - osx
 julia:
   - 1.0
-  - 1.1
-  - 1.2
-  - 1.3
+  - 1.4
+  - 1.5
   - nightly
 notifications:
   email: true