diff --git a/Gemfile.lock b/Gemfile.lock
index 3d26d37..a574bef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,9 +3,11 @@ GEM
   specs:
     coderay (1.1.2)
     diff-lcs (1.3)
-    httparty (0.15.6)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     method_source (0.8.2)
+    mini_mime (1.1.2)
     multi_xml (0.6.0)
     mustermann (1.0.1)
     pry (0.10.4)