diff --git a/Gemfile b/Gemfile
index ad3c114..0469943 100644
--- a/Gemfile
+++ b/Gemfile
@@ -16,7 +16,7 @@ group :assets do
   gem 'uglifier', '1.2.3'
 end
 
-gem 'jquery-rails', '2.0.2'
+gem 'jquery-rails', '3.1.5'
 
 group :production do
   gem 'pg', '0.15.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 0a5433b..253ffa0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -37,16 +37,16 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.8)
+    concurrent-ruby (1.2.2)
     erubis (2.7.0)
     execjs (2.7.0)
     hike (1.2.3)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     journey (1.0.4)
-    jquery-rails (2.0.2)
-      railties (>= 3.2.0, < 5.0)
-      thor (~> 0.14)
+    jquery-rails (3.1.5)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
     json (1.8.6)
     mail (2.5.5)
       mime-types (~> 1.16)
@@ -56,7 +56,7 @@ GEM
     pg (0.15.0)
     polyglot (0.3.5)
     rack (1.4.7)
-    rack-cache (1.12.1)
+    rack-cache (1.13.0)
       rack (>= 0.4)
     rack-ssl (1.3.4)
       rack
@@ -77,7 +77,7 @@ GEM
       rake (>= 0.8.7)
       rdoc (~> 3.4)
       thor (>= 0.14.6, < 2.0)
-    rake (13.0.3)
+    rake (13.0.6)
     rdoc (3.12.2)
       json (~> 1.4)
     sass (3.4.25)
@@ -91,7 +91,7 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.13)
-    thor (0.20.3)
+    thor (1.2.1)
     tilt (1.4.1)
     treetop (1.4.15)
       polyglot
@@ -106,7 +106,7 @@ PLATFORMS
 
 DEPENDENCIES
   coffee-rails (= 3.2.2)
-  jquery-rails (= 2.0.2)
+  jquery-rails (= 3.1.5)
   pg (= 0.15.0)
   rails (= 3.2.17)
   sass-rails (= 3.2.5)