diff --git a/.rubocop.yml b/.rubocop.yml
index 7f5eb68..e94ee3a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -1,6 +1,7 @@
 AllCops:
   Exclude:
     - db/schema.rb
+    - vendor/**/*
 
 Metrics/LineLength:
   Description: 'Limit lines to 80 characters.'
diff --git a/.travis.yml b/.travis.yml
index 06bf19c..0396cef 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,13 @@
 sudo: false
+cache: bundler
 language: ruby
 rvm:
   - 2.4.2
 before_install: gem install bundler -v 1.16.1
+
+jobs:
+  include:
+    - stage: analyze
+      script: bundle exec rubocop
+    - stage: test
+      script: bundle exec rspec
diff --git a/Gemfile.lock b/Gemfile.lock
index 73b5096..4e0e62a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,42 +1,42 @@
 PATH
   remote: .
   specs:
-    psenv (0.2.0)
+    psenv (0.2.1)
       aws-sdk-ssm (~> 1)
-    psenv-rails (0.2.0)
-      psenv (= 0.2.0)
+    psenv-rails (0.2.1)
+      psenv (= 0.2.1)
       railties (>= 3.2, < 5.2)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    actionpack (5.1.5)
-      actionview (= 5.1.5)
-      activesupport (= 5.1.5)
+    actionpack (5.1.6)
+      actionview (= 5.1.6)
+      activesupport (= 5.1.6)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.5)
-      activesupport (= 5.1.5)
+    actionview (5.1.6)
+      activesupport (= 5.1.6)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activesupport (5.1.5)
+    activesupport (5.1.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (~> 0.7)
+      i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     addressable (2.5.2)
       public_suffix (>= 2.0.2, < 4.0)
     ast (2.4.0)
-    aws-partitions (1.74.0)
-    aws-sdk-core (3.18.0)
+    aws-partitions (1.79.0)
+    aws-sdk-core (3.19.0)
       aws-partitions (~> 1.0)
       aws-sigv4 (~> 1.0)
       jmespath (~> 1.0)
-    aws-sdk-ssm (1.8.0)
+    aws-sdk-ssm (1.10.0)
       aws-sdk-core (~> 3)
       aws-sigv4 (~> 1.0)
     aws-sigv4 (1.0.2)
@@ -45,13 +45,13 @@ GEM
     concurrent-ruby (1.0.5)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.3)
+    crass (1.0.4)
     diff-lcs (1.3)
     erubi (1.7.1)
     hashdiff (0.3.7)
-    i18n (0.9.5)
+    i18n (1.0.0)
       concurrent-ruby (~> 1.0)
-    jmespath (1.3.1)
+    jmespath (1.4.0)
     loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -76,9 +76,9 @@ GEM
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.0.4)
       loofah (~> 2.2, >= 2.2.2)
-    railties (5.1.5)
-      actionpack (= 5.1.5)
-      activesupport (= 5.1.5)
+    railties (5.1.6)
+      actionpack (= 5.1.6)
+      activesupport (= 5.1.6)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)