diff --git a/Gemfile.lock b/Gemfile.lock
index 090dab9..d7ed6d4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -96,7 +96,7 @@ GEM
     ffi (1.9.3)
     gherkin (2.12.2)
       multi_json (~> 1.3)
-    hashie (2.0.5)
+    hashie (3.6.0)
     hike (1.2.3)
     i18n (0.6.9)
     jquery-rails (3.1.0)
@@ -128,9 +128,9 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (~> 1.2)
-    omniauth (1.2.1)
-      hashie (>= 1.2, < 3)
-      rack (~> 1.0)
+    omniauth (1.4.2)
+      hashie (>= 1.2, < 4)
+      rack (>= 1.0, < 3)
     omniauth-facebook (1.6.0)
       omniauth-oauth2 (~> 1.1)
     omniauth-oauth2 (1.1.2)
@@ -143,7 +143,7 @@ GEM
     polyamorous (1.0.0)
       activerecord (>= 3.0)
     polyglot (0.3.4)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.2)
       rack (>= 1.0)
     rails (4.1.1)