diff --git a/Gemfile.lock b/Gemfile.lock
index 7c11552..11ea0ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,6 +69,7 @@ GEM
       execjs
     coffee-script-source (1.6.3)
     columnize (0.8.9)
+    concurrent-ruby (1.1.6)
     connection_pool (1.1.0)
     debugger-linecache (1.2.0)
     deprecation (0.1.0)
@@ -86,12 +87,13 @@ GEM
     execjs (2.0.0)
     hike (1.2.3)
     honeypot-captcha (0.0.2)
-    i18n (0.6.11)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     jquery-rails (3.0.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.1)
+    json (2.3.1)
     kaminari (0.14.1)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -105,7 +107,7 @@ GEM
       unf
     mime-types (1.25.1)
     mini_portile (0.6.0)
-    multi_json (1.10.1)
+    multi_json (1.15.0)
     mysql2 (0.3.13)
     nokogiri (1.6.3.1)
       mini_portile (= 0.6.0)
@@ -113,12 +115,12 @@ GEM
     parslet (1.5.0)
       blankslate (~> 2.0)
     polyglot (0.3.5)
-    rack (1.4.5)
-    rack-cache (1.2)
+    rack (1.4.7)
+    rack-cache (1.12.0)
       rack (>= 0.4)
     rack-ssl (1.3.4)
       rack
-    rack-test (0.6.2)
+    rack-test (0.6.3)
       rack (>= 1.0)
     rails (3.2.19)
       actionmailer (= 3.2.19)
@@ -135,9 +137,8 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rake (10.3.2)
-    rdoc (3.12.2)
-      json (~> 1.4)
+    rake (13.0.1)
+    rdoc (3.9.5)
     ref (1.0.5)
     rsolr (1.0.10)
       builder (>= 2.1.2)
@@ -150,7 +151,7 @@ GEM
       tilt (~> 1.3)
     scrub_rb (1.0.1)
     slop (3.6.0)
-    sprockets (2.2.2)
+    sprockets (2.2.3)
       hike (~> 1.2)
       multi_json (~> 1.0)
       rack (~> 1.0)
@@ -159,7 +160,7 @@ GEM
     therubyracer (0.12.0)
       libv8 (~> 3.16.14.0)
       ref
-    thor (0.19.1)
+    thor (1.0.1)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot