diff --git a/.travis.yml b/.travis.yml
index d79008f..7352fda 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,9 @@
 language: ruby
 rvm:
-  - 2.2.0
-  - 2.3.0
-  - 2.4.0
-  - 2.4.2
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 
-before_install:
-  - gem install dep
-
-install:
-  - dep install
+before_install: gem install dep
+install: dep install