diff --git a/Gemfile.lock b/Gemfile.lock
index da46d79..2d9e237 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,7 +51,7 @@ GEM
       activesupport (~> 3.0)
       haml (~> 3.0)
       railties (~> 3.0)
-    hashie (1.2.0)
+    hashie (3.6.0)
     hike (1.2.1)
     httpauth (0.1)
     i18n (0.6.0)
@@ -101,9 +101,9 @@ GEM
       jwt (~> 0.1.4)
       multi_json (~> 1.0)
       rack (~> 1.2)
-    omniauth (1.1.0)
-      hashie (~> 1.2)
-      rack
+    omniauth (1.4.2)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
     omniauth-github (1.0.2)
       omniauth (~> 1.0)
       omniauth-oauth2 (~> 1.1)
@@ -112,7 +112,7 @@ GEM
       omniauth (~> 1.0)
     polyglot (0.3.3)
     psych (1.3.4)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)