diff --git a/Gemfile.lock b/Gemfile.lock
index 5cb3595..f0035d8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
       multipart-post (>= 1.2, < 3)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    hashie (3.4.4)
+    hashie (4.1.0)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jbuilder (2.6.0)
@@ -128,9 +128,9 @@ GEM
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.3.1)
-      hashie (>= 1.2, < 4)
-      rack (>= 1.0, < 3)
+    omniauth (1.9.1)
+      hashie (>= 3.4.6)
+      rack (>= 1.6.2, < 3)
     omniauth-google-oauth2 (0.4.1)
       jwt (~> 1.5.2)
       multi_json (~> 1.3)
@@ -151,7 +151,7 @@ GEM
     pry-rails (0.3.4)
       pry (>= 0.9.10)
     puma (3.6.0)
-    rack (1.6.11)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)