diff --git a/Gemfile.lock b/Gemfile.lock
index 7fd87aa..315676a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,9 +4,11 @@ GEM
     addressable (2.5.0)
       public_suffix (~> 2.0, >= 2.0.2)
     colorator (1.1.0)
+    ffi (1.9.17)
     ffi (1.9.17-x64-mingw32)
     forwardable-extended (2.6.0)
-    httparty (0.14.0)
+    httparty (0.21.0)
+      mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
     jekyll (3.3.1)
       addressable (~> 2.4)
@@ -33,6 +35,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
+    mini_mime (1.1.2)
     minima (2.1.0)
       jekyll (~> 3.3)
     multi_xml (0.6.0)
@@ -47,6 +50,7 @@ GEM
     sass (3.4.23)
 
 PLATFORMS
+  ruby
   x64-mingw32
 
 DEPENDENCIES