diff --git a/Gemfile.lock b/Gemfile.lock
index 102d539..e036195 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -28,8 +28,8 @@ GEM
       thread_safe (~> 0.1)
       tzinfo (~> 1.1)
     arel (5.0.1.20140414130214)
-    bcrypt (3.1.9)
-    builder (3.2.2)
+    bcrypt (3.1.13)
+    builder (3.2.3)
     capistrano (3.2.1)
       i18n
       rake (>= 10.0.0)
@@ -52,12 +52,12 @@ GEM
     coffee-script-source (1.8.0)
     colorize (0.7.3)
     commonjs (0.2.7)
-    devise (3.4.1)
+    concurrent-ruby (1.1.5)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 3.2.6, < 5)
+      railties (>= 4.1.0)
       responders
-      thread_safe (~> 0.1)
       warden (~> 1.2.3)
     erubis (2.7.0)
     execjs (2.2.2)
@@ -68,14 +68,15 @@ GEM
     httparty (0.13.3)
       json (~> 1.8)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.2.6)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
     jquery-rails (3.1.2)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
+    json (1.8.6)
     kaminari (0.16.3)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -88,7 +89,7 @@ GEM
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
     mime-types (2.4.3)
-    minitest (5.5.1)
+    minitest (5.12.0)
     multi_json (1.10.1)
     multi_xml (0.5.5)
     net-scp (1.2.1)
@@ -98,7 +99,7 @@ GEM
     orm_adapter (0.5.0)
     polyamorous (1.1.0)
       activerecord (>= 3.0)
-    rack (1.5.2)
+    rack (1.5.5)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.1.6)
@@ -116,7 +117,7 @@ GEM
       activesupport (= 4.1.6)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (10.4.2)
+    rake (12.3.3)
     ransack (1.6.2)
       actionpack (>= 3.0)
       activerecord (>= 3.0)
@@ -154,8 +155,8 @@ GEM
     therubyracer (0.12.1)
       libv8 (~> 3.16.14.0)
       ref
-    thor (0.19.1)
-    thread_safe (0.3.4)
+    thor (0.20.3)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     turbolinks (2.5.3)
       coffee-rails
@@ -164,12 +165,12 @@ GEM
       execjs (~> 2.2)
       rails (~> 4.1)
       railties (~> 4.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
     uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    warden (1.2.3)
+    warden (1.2.7)
       rack (>= 1.0)
     will_paginate (3.0.7)
     zeroclipboard-rails (0.1.1)