diff --git a/Gemfile.lock b/Gemfile.lock
index 67a8a4c..be16121 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -36,11 +36,11 @@ PLATFORMS
 DEPENDENCIES
   bundler (~> 1.0.0)
   fakeweb (~> 1.3.0)
-  httparty
+  httparty (~> 0.8.0)
   jeweler (~> 1.6.0)
-  json
+  json (~> 1.6.1)
   mocha (~> 0.10.5)
   rcov
   rspec
   vcr (~> 1.11.3)
-  xml-simple
+  xml-simple (~> 1.1.0)