Gemfile.lock in overpass-api-ruby-0.2.3 vs Gemfile.lock in overpass-api-ruby-0.3

@@ -15,10 +15,10 @@
     method_source (0.8.2)
     pry (0.10.4)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (2.0.3)
+    rack (2.0.6)
     rake (12.0.0)
     rspec (3.6.0)
       rspec-core (~> 3.6.0)
       rspec-expectations (~> 3.6.0)
       rspec-mocks (~> 3.6.0)