diff --git a/Gemfile b/Gemfile
index 1a24868e..fe755d6a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -60,7 +60,7 @@ end
 group :development do
   gem 'travis', '~> 1.8'
   gem 'web-console', '~> 3.3'
-  gem 'spring', '~> 2.1'
+  gem 'spring', '~> 3.1'
 end
 
 # Use ActiveModel has_secure_password
diff --git a/Gemfile.lock b/Gemfile.lock
index 378d60d5..30cd2812 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -722,7 +722,7 @@ GEM
     sparql-client (3.0.1)
       net-http-persistent (>= 2.9, < 4)
       rdf (~> 3.0)
-    spring (2.1.1)
+    spring (3.1.1)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
@@ -842,7 +842,7 @@ DEPENDENCIES
   sdoc (~> 2.2)
   sidekiq (~> 4.2)
   simplecov (~> 0.16)
-  spring (~> 2.1)
+  spring (~> 3.1)
   sqlite3 (~> 1.4)
   therubyracer (~> 0.12)
   thin (~> 1.8)