ruby: update ci ruby versions and drop 2.3 which is eol

See https://www.ruby-lang.org/en/news/2019/03/31/support-of-ruby-2-3-has-ended/
markdownlint · Apr 9, 2019 · cd31a5d · cd31a5d
1 parent afebb07
commit cd31a5d
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diff --git a/.travis.yml b/.travis.yml
@@ -15,9 +15,9 @@ notifications:
 
 matrix:
   include:
-    - rvm: 2.3.4
-    - rvm: 2.4.1
-    - rvm: 2.5.1
+    - rvm: 2.4.6
+    - rvm: 2.5.5
+    - rvm: 2.6.2
 #    - rvm: jruby-9.1.9.0
 #      env: JRUBY_OPTS="--dev"
 #    - rvm: jruby-9.2.0.0
diff --git a/mdl.gemspec b/mdl.gemspec
@@ -24,7 +24,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'mixlib-config', '~> 2.2', '>= 2.2.1'
   spec.add_dependency 'mixlib-cli', '~> 1.7', '>= 1.7.0'
 
-  spec.add_development_dependency 'bundler', '~> 1.12'
+  spec.add_development_dependency 'bundler', ['>= 1.12', '< 3']
   spec.add_development_dependency 'rake', '~> 11.2'
   spec.add_development_dependency 'minitest', '~> 5.9'
   spec.add_development_dependency 'pry', '~> 0.10'