diff --git a/Gemfile.lock b/Gemfile.lock
index dd920ea..892a7eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,10 @@ GEM
     em-http-request (0.2.11)
       addressable (>= 2.0.0)
       eventmachine (>= 0.12.9)
+    ethon (0.12.0)
+      ffi (>= 1.3.0)
     eventmachine (0.12.10)
+    ffi (1.11.1)
     git (1.2.5)
     jeweler (1.8.3)
       bundler (~> 1.0)
@@ -20,15 +23,14 @@ GEM
       rdoc
     json (1.6.6)
     metaclass (0.0.1)
-    mime-types (1.18)
     mocha (0.11.1)
       metaclass (~> 0.0.1)
     rack (1.1.3)
     rake (0.9.2.2)
     rdoc (3.12)
       json (~> 1.4)
-    typhoeus (0.3.3)
-      mime-types
+    typhoeus (1.3.1)
+      ethon (>= 0.9.0)
     webmock (1.8.6)
       addressable (>= 2.2.7)
       crack (>= 0.1.7)