Rails 6 and latest rubies on CI

.travis.yml

@@ -3,8 +3,8 @@ cache: bundler
 language: ruby
 rvm:
   - 2.3.8
-  - 2.4.5
-  - 2.5.3
+  - 2.4.6
+  - 2.5.5
   - ruby-head
   - jruby-9.1.17.0
   - jruby-9.2.0.0

Gemfile.lock

@@ -8,67 +8,65 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (5.2.0)
-      actionview (= 5.2.0)
-      activesupport (= 5.2.0)
+    actionpack (6.0.0)
+      actionview (= 6.0.0)
+      activesupport (= 6.0.0)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.0)
-      activesupport (= 5.2.0)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actionview (6.0.0)
+      activesupport (= 6.0.0)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activemodel (5.2.0)
-      activesupport (= 5.2.0)
-    activesupport (5.2.0)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activemodel (6.0.0)
+      activesupport (= 6.0.0)
+    activesupport (6.0.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.8)
     builder (3.2.3)
-    concurrent-ruby (1.0.5)
-    countries (2.1.4)
+    concurrent-ruby (1.1.5)
+    countries (3.0.0)
       i18n_data (~> 0.8.0)
-      money (~> 6.9)
       sixarm_ruby_unaccent (~> 1.1)
       unicode_utils (~> 1.4)
-    country_select (3.1.1)
-      countries (~> 2.0)
+    country_select (4.0.0)
+      countries (~> 3.0)
       sort_alphabetical (~> 1.0)
     crass (1.0.4)
-    erubi (1.7.1)
+    erubi (1.8.0)
     ffi2-generators (0.1.1)
-    i18n (1.0.0)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
     i18n_data (0.8.0)
-    loofah (2.2.2)
+    loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    method_source (0.9.0)
-    mini_portile2 (2.3.0)
+    method_source (0.9.2)
+    mini_portile2 (2.4.0)
     minitest (5.11.3)
-    money (6.11.0)
-      i18n (>= 0.6.4, < 1.1)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    rack (2.0.4)
-    rack-test (1.0.0)
+    nokogiri (1.10.4)
+      mini_portile2 (~> 2.4.0)
+    rack (2.0.7)
+    rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.2.0)
-      actionpack (= 5.2.0)
-      activesupport (= 5.2.0)
+    railties (6.0.0)
+      actionpack (= 6.0.0)
+      activesupport (= 6.0.0)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+      thor (>= 0.20.3, < 2.0)
+    rake (12.3.3)
     rubinius-coverage (2.1)
     rubinius-debugger (2.6)
     rubinius-developer_tools (2.0.0)
@@ -256,7 +254,7 @@ GEM
     rubysl-singleton (2.0.0)
     rubysl-socket (2.2.1)
       rubysl-fcntl (~> 2.0)
-    rubysl-stringio (2.2)
+    rubysl-stringio (2.3)
     rubysl-strscan (2.0.0)
     rubysl-sync (2.0.0)
     rubysl-syslog (2.1.0)
@@ -281,11 +279,12 @@ GEM
     sixarm_ruby_unaccent (1.2.0)
     sort_alphabetical (1.1.0)
       unicode_utils (>= 1.2.2)
-    thor (0.20.0)
+    thor (0.20.3)
     thread_safe (0.3.6)
     tzinfo (1.2.5)
       thread_safe (~> 0.1)
     unicode_utils (1.4.0)
+    zeitwerk (2.1.9)
 
 PLATFORMS
   ruby
@@ -300,4 +299,4 @@ DEPENDENCIES
   simple_form!
 
 BUNDLED WITH
-   1.16.1
+   1.17.1