diff --git a/Gemfile b/Gemfile
index 4a1bc67d2..3748cbcf3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -57,7 +57,7 @@ gem 'jquery-rails'
 gem 'jquery-migrate-rails'
 gem 'ruby-haml-js'
 gem 'slim'
-gem 'simple_form'
+gem 'simple_form', '3.1.0.rc2'
 gem 'friendly_id'
 
 gem 'rack-throttle', '~> 0.3.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index f49e52c08..646254365 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -485,7 +485,7 @@ GEM
     shoulda-context (1.2.1)
     shoulda-matchers (2.8.0)
       activesupport (>= 3.0.0)
-    simple_form (3.1.0)
+    simple_form (3.1.0.rc2)
       actionpack (~> 4.0)
       activemodel (~> 4.0)
     sinatra (1.4.5)
@@ -656,7 +656,7 @@ DEPENDENCIES
   shotgun
   shoulda
   shoulda-matchers
-  simple_form
+  simple_form (= 3.1.0.rc2)
   sitemap_generator
   skype
   slim