diff --git a/Gemfile.lock b/Gemfile.lock
index 0bdbcdd..f1d33b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
       activesupport (>= 3.1, < 4.1)
       haml (>= 3.1, < 4.1)
       railties (>= 3.1, < 4.1)
-    hashie (1.2.0)
+    hashie (3.6.0)
     hike (1.2.1)
     i18n (0.6.1)
     i18n_generators (1.2.1)
@@ -100,9 +100,9 @@ GEM
     nokogiri (1.5.9)
     ntlm-http (0.1.1)
     oauth (0.4.7)
-    omniauth (1.1.3)
-      hashie (~> 1.2)
-      rack
+    omniauth (1.4.2)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
     omniauth-oauth (1.0.1)
       oauth
       omniauth (~> 1.0)
@@ -115,7 +115,7 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.3)