diff --git a/Gemfile b/Gemfile
index ece89ca..5a1bb66 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,7 +4,7 @@ ruby "1.9.3"
 
 gem 'devise'
 gem 'devise_cas_authenticatable'
-gem 'jquery-rails', '~> 2.1'
+gem 'jquery-rails', '~> 3.1'
 gem 'pg'
 gem 'rails', '3.0.20'
 gem 'ri_cal'
diff --git a/Gemfile.lock b/Gemfile.lock
index 34ae689..20c8143 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,10 +41,10 @@ GEM
     erubis (2.6.6)
       abstract (>= 1.0.0)
     i18n (0.5.4)
-    jquery-rails (2.2.0)
+    jquery-rails (3.1.3)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
+    json (1.8.6)
     kgio (2.8.0)
     mail (2.2.20)
       activesupport (>= 2.3.6)
@@ -75,7 +75,7 @@ GEM
       rdoc (~> 3.4)
       thor (~> 0.14.4)
     raindrops (0.11.0)
-    rake (10.4.2)
+    rake (12.2.1)
     rdoc (3.12.2)
       json (~> 1.4)
     ri_cal (0.8.8)
@@ -85,7 +85,7 @@ GEM
     treetop (1.4.15)
       polyglot
       polyglot (>= 0.3.1)
-    tzinfo (0.3.42)
+    tzinfo (0.3.55)
     unicorn (4.6.3)
       kgio (~> 2.6)
       rack
@@ -99,7 +99,7 @@ PLATFORMS
 DEPENDENCIES
   devise
   devise_cas_authenticatable
-  jquery-rails (~> 2.1)
+  jquery-rails (~> 3.1)
   pg
   rails (= 3.0.20)
   ri_cal