diff --git a/Gemfile.lock b/Gemfile.lock
index f7ec29b..1046d69 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,19 +4,24 @@ GEM
     activesupport (3.1.1)
       multi_json (~> 1.0)
     addressable (2.2.7)
-    crack (0.1.8)
+    crack (0.4.5)
+      rexml
     diff-lcs (1.1.3)
     git (1.2.5)
-    httparty (0.7.8)
-      crack (= 0.1.8)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
+      multi_xml (>= 0.5.2)
     i18n (0.6.0)
     jeweler (1.6.2)
       bundler (~> 1.0)
       git (>= 1.2.5)
       rake
+    mini_mime (1.1.2)
     multi_json (1.0.4)
+    multi_xml (0.6.0)
     rake (0.9.2)
     rcov (0.9.9)
+    rexml (3.2.5)
     rspec (2.8.0)
       rspec-core (~> 2.8.0)
       rspec-expectations (~> 2.8.0)