diff --git a/Gemfile.lock b/Gemfile.lock
index af4ae4c..dc25d23 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,7 +59,7 @@ GEM
     faraday (0.8.0)
       multipart-post (~> 1.1)
     haml (3.1.4)
-    hashie (1.2.0)
+    hashie (3.6.0)
     hike (1.2.1)
     httparty (0.8.1)
       multi_json
@@ -99,9 +99,9 @@ GEM
       faraday (~> 0.7)
       httpauth (~> 0.1)
       multi_json (~> 1.3)
-    omniauth (1.1.0)
-      hashie (~> 1.2)
-      rack
+    omniauth (1.4.2)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
     omniauth-oauth2 (1.0.2)
       oauth2 (~> 0.6.0)
       omniauth (~> 1.0)
@@ -112,7 +112,7 @@ GEM
     orm_adapter (0.4.0)
     pg (0.13.2)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)