Gemfile.lock in right_chimp-2.1.18 vs Gemfile.lock in right_chimp-2.1.19

@@ -1,15 +1,14 @@
 PATH
   remote: .
   specs:
-    right_chimp (2.1.18)
+    right_chimp (2.1.19)
       highline (~> 1.7.2)
       nokogiri (~> 1.6.7.1)
       progressbar (~> 0.11.0)
       rake (~> 10.4.2)
       right_api_client (> 1.5)
-      safe_yaml
 
 GEM
   remote: https://rubygems.org/
   specs:
     binding_of_caller (0.7.2)
@@ -52,10 +51,9 @@
       rspec-mocks (~> 2.6.0)
     rspec-core (2.6.4)
     rspec-expectations (2.6.0)
       diff-lcs (~> 1.1.2)
     rspec-mocks (2.6.0)
-    safe_yaml (1.0.4)
     slop (3.6.0)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.2)