Commit d170175

@@ -1,4 +1,4 @@
-image: ruby:2.5
+image: ruby:2.6
 
 before_script:
   - apt-get update && apt-get install -y locales

@@ -1,9 +1,9 @@
 sudo: false
 language: ruby
-cache: bundler
 rvm:
   - 2.3.8
   - 2.4.5
   - 2.5.3
+  - 2.6.0
 script:
   - bin/cibuild