Gemfile.lock in http_health_check-0.3.1 vs Gemfile.lock in http_health_check-0.4.0

@@ -1,9 +1,9 @@
 PATH
   remote: .
   specs:
-    http_health_check (0.3.1)
+    http_health_check (0.4.0)
       rack (~> 2.0)
       webrick
 
 GEM
   remote: https://rubygems.org/
@@ -64,10 +64,11 @@
     simplecov-cobertura (2.1.0)
       rexml
       simplecov (~> 0.19)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
+    thor (1.1.0)
     thread_safe (0.3.6)
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unicode-display_width (1.8.0)
     webrick (1.7.0)
@@ -86,8 +87,9 @@
   rspec (~> 3.2)
   rspec_junit_formatter
   rubocop (~> 0.81)
   simplecov
   simplecov-cobertura
+  thor (>= 0.20)
 
 BUNDLED WITH
    2.3.15