Test with newer ruby versions.

I've noted that ruby 2.3.4 is the deployed version
sul-dlss · Jun 7, 2018 · 9475ef3 · 9475ef3
1 parent 62e853a
commit 9475ef3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,8 @@ notifications:
   email: false
 
 rvm:
+  - 2.5.1
+  - 2.4.4
   - 2.3.4 # deployed
 
 bundler_args: --without production