Gemfile.lock in google-translate-tts-0.1.0 vs Gemfile.lock in google-translate-tts-0.2.0

@@ -1,28 +1,41 @@
 PATH
   remote: .
   specs:
-    google-translate-tts (0.1.0)
+    google-translate-tts (0.2.0)
       faraday
 
 GEM
   remote: https://rubygems.org/
   specs:
     ast (2.4.2)
     byebug (11.1.3)
+    diff-lcs (1.5.0)
     faraday (2.3.0)
       faraday-net_http (~> 2.0)
       ruby2_keywords (>= 0.0.4)
-    faraday-net_http (2.0.2)
-    minitest (5.16.0)
+    faraday-net_http (2.0.3)
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.5.0)
     rexml (3.2.5)
+    rspec (3.11.0)
+      rspec-core (~> 3.11.0)
+      rspec-expectations (~> 3.11.0)
+      rspec-mocks (~> 3.11.0)
+    rspec-core (3.11.0)
+      rspec-support (~> 3.11.0)
+    rspec-expectations (3.11.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.11.0)
+    rspec-mocks (3.11.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.11.0)
+    rspec-support (3.11.1)
     rubocop (1.30.1)
       parallel (~> 1.10)
       parser (>= 3.1.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
@@ -30,21 +43,24 @@
       rubocop-ast (>= 1.18.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
     rubocop-ast (1.18.0)
       parser (>= 3.1.1.0)
+    rubocop-rspec (2.11.1)
+      rubocop (~> 1.19)
     ruby-progressbar (1.11.0)
     ruby2_keywords (0.0.5)
     unicode-display_width (2.1.0)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   byebug
   google-translate-tts!
-  minitest (~> 5.0)
   rake (~> 13.0)
+  rspec (~> 3.11)
   rubocop (~> 1.21)
+  rubocop-rspec (~> 2.11)
 
 BUNDLED WITH
    2.3.12