explicit ruby versions for 2.3 and 2.4

OuYangJinTing · Jan 24, 2017 · 28d1c1b · 28d1c1b
1 parent b855dc9
commit 28d1c1b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -2,8 +2,8 @@ language: ruby
 rvm:
   - 2.1
   - 2.2
-  - 2.3
-  - 2.4
+  - 2.3.3
+  - 2.4.0
 
 script: "script/cibuild"
 sudo: false