diff --git a/Gemfile.lock b/Gemfile.lock
index dfc1162..c25ece9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     faraday (0.8.7)
       multipart-post (~> 1.1)
     ffi (1.8.1)
-    hashie (2.0.5)
+    hashie (3.6.0)
     hike (1.2.2)
     i18n (0.6.4)
     jbuilder (1.0.2)
@@ -89,9 +89,9 @@ GEM
     multipart-post (1.2.0)
     nokogiri (1.5.9)
     oauth (0.4.7)
-    omniauth (1.1.4)
-      hashie (>= 1.2, < 3)
-      rack
+    omniauth (1.4.2)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
     omniauth-oauth (1.0.1)
       oauth
       omniauth (~> 1.0)
@@ -100,7 +100,7 @@ GEM
       omniauth-oauth (~> 1.0)
     pg (0.15.1)
     polyglot (0.3.3)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.2)
       rack (>= 1.0)
     rails (4.0.0.rc1)