diff --git a/Gemfile b/Gemfile
index 48b7a37aef..fa5fc715a3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -69,7 +69,7 @@ gem 'omniauth'
 gem 'omniauth-github'
 
 # Permission
-gem 'cancancan'
+gem 'cancancan', git: 'https://github.com/Eric-Guo/cancancan', branch: :develop
 
 # Redis
 gem 'redis'
diff --git a/Gemfile.lock b/Gemfile.lock
index a146ee2133..75175d08a6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,10 @@
+GIT
+  remote: https://github.com/Eric-Guo/cancancan
+  revision: 5ae12b0b8acf9f430f4a306af4a921f6ad5a9c93
+  branch: develop
+  specs:
+    cancancan (2.1.1)
+
 GEM
   remote: https://gems.ruby-china.org/
   specs:
@@ -62,7 +69,6 @@ GEM
     bundler-audit (0.6.0)
       bundler (~> 1.2)
       thor (~> 0.18)
-    cancancan (2.0.0)
     capybara (2.16.0)
       addressable
       mini_mime (>= 0.1.3)
@@ -336,7 +342,7 @@ GEM
     rspec-mocks (3.7.0)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.7.0)
-    rspec-rails (3.7.1)
+    rspec-rails (3.7.2)
       actionpack (>= 3.0)
       activesupport (>= 3.0)
       railties (>= 3.0)
@@ -426,7 +432,7 @@ GEM
     websocket-extensions (0.1.3)
     xpath (2.1.0)
       nokogiri (~> 1.3)
-    yard (0.9.9)
+    yard (0.9.10)
 
 PLATFORMS
   ruby
@@ -437,7 +443,7 @@ DEPENDENCIES
   better_errors
   bulk_insert
   bundler-audit
-  cancancan
+  cancancan!
   capybara
   carrierwave
   carrierwave-aliyun