diff --git a/Gemfile b/Gemfile
index d08a7c4..3ed58c4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,7 +24,7 @@ gem 'jbuilder', '~> 2.0'
 gem 'sdoc', '~> 0.4.0', group: :doc
 
 gem "bootstrap-sass"
-gem "simple_form", "~> 3.1.0.rc2", github: "plataformatec/simple_form", branch: "master"
+gem "simple_form", "~> 3.1.0.rc2"
 gem "devise", "~> 3.4.1"
 # Use ActiveModel has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
diff --git a/Gemfile.lock b/Gemfile.lock
index fa57ad3..b1738d5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,12 +1,3 @@
-GIT
-  remote: git://github.com/plataformatec/simple_form.git
-  revision: d49263a069b44b84d295a8c5e0debff2dd26a077
-  branch: master
-  specs:
-    simple_form (3.1.0)
-      actionpack (~> 4.0)
-      activemodel (~> 4.0)
-
 GIT
   remote: git://github.com/techbang/capistrano3-unicorn.git
   revision: dbdc8cd8c8329de9ba390faa50dc727fb4f7326a
@@ -211,6 +202,9 @@ GEM
       json (~> 1.7, >= 1.7.7)
       rdoc (~> 4.0)
     sexp_processor (4.4.4)
+    simple_form (3.1.1)
+      actionpack (~> 4.0)
+      activemodel (~> 4.0)
     slim (2.0.3)
       temple (~> 0.6.6)
       tilt (>= 1.3.3, < 2.1)
@@ -278,7 +272,7 @@ DEPENDENCIES
   rails_best_practices
   sass-rails (~> 5.0)
   sdoc (~> 0.4.0)
-  simple_form (~> 3.1.0.rc2)!
+  simple_form (~> 3.1.0.rc2)
   spring
   sqlite3
   therubyracer
@@ -288,4 +282,4 @@ DEPENDENCIES
   web-console (~> 2.0)
 
 BUNDLED WITH
-   1.10.6
+   1.11.2