Gemfile.lock in truemail-1.3.0 vs Gemfile.lock in truemail-1.4.0

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    truemail (1.3.0)
+    truemail (1.4.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.0)
@@ -31,10 +31,13 @@
     ffi (1.10.0)
     ice_nine (0.11.2)
     iniparse (1.4.4)
     jaro_winkler (1.5.2)
     json (2.2.0)
+    json_matchers (0.11.1)
+      json_schema
+    json_schema (0.20.8)
     kwalify (0.7.2)
     method_source (0.9.2)
     overcommit (0.46.0)
       childprocess (~> 0.6, >= 0.6.3)
       iniparse (~> 1.4)
@@ -55,23 +58,23 @@
       codeclimate-engine-rb (~> 0.4.0)
       kwalify (~> 0.7.0)
       parser (>= 2.5.0.0, < 2.7, != 2.5.1.1)
       psych (~> 3.1.0)
       rainbow (>= 2.0, < 4.0)
-    rspec (3.8.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-    rspec-core (3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.2)
+    rspec (3.9.0)
+      rspec-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+    rspec-core (3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-expectations (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.0)
     rubocop (0.65.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.5, != 2.5.1.1)
       powerpack (~> 0.1)
@@ -101,9 +104,10 @@
 
 DEPENDENCIES
   bundler (~> 1.16)
   bundler-audit
   ffaker
+  json_matchers
   overcommit
   pry-byebug
   rake
   reek
   rspec