Import rails_admin from github instead of rubygems

railsadminteam/rails_admin#3216

Gemfile

@@ -48,7 +48,7 @@ gem 'rails_12factor', group: :production
 gem 'sprockets-rails'
 gem 'bootstrap'
 gem 'devise'
-gem 'rails_admin'
+gem 'rails_admin', '~> 2.0', git: 'https://github.com/sferik/rails_admin.git'
 gem 'cancan'
 
 gem 'jquery-ui-rails'

Gemfile.lock

@@ -1,3 +1,20 @@
+GIT
+  remote: https://github.com/sferik/rails_admin.git
+  revision: 397f31d51d11430f5db82e8e4cc3534edc19e7c0
+  specs:
+    rails_admin (2.0.0)
+      activemodel-serializers-xml (>= 1.0)
+      builder (~> 3.1)
+      haml (>= 4.0, < 6)
+      jquery-rails (>= 3.0, < 5)
+      jquery-ui-rails (>= 5.0, < 7)
+      kaminari (>= 0.14, < 2.0)
+      nested_form (~> 0.3)
+      rack-pjax (>= 0.7)
+      rails (>= 5.0, < 7)
+      remotipart (~> 1.3)
+      sassc-rails (>= 1.3, < 3)
+
 GIT
   remote: https://github.com/stympy/faker.git
   revision: 5850932358c62f7622362eda4696cb6ea8eeed9d
@@ -206,18 +223,6 @@ GEM
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
-    rails_admin (2.0.0)
-      activemodel-serializers-xml (>= 1.0)
-      builder (~> 3.1)
-      haml (>= 4.0, < 6)
-      jquery-rails (>= 3.0, < 5)
-      jquery-ui-rails (>= 5.0, < 7)
-      kaminari (>= 0.14, < 2.0)
-      nested_form (~> 0.3)
-      rack-pjax (>= 0.7)
-      rails (>= 5.0, < 7)
-      remotipart (~> 1.3)
-      sassc-rails (>= 1.3, < 3)
     rails_serve_static_assets (0.0.5)
     rails_stdout_logging (0.0.5)
     railties (6.0.2.1)
@@ -307,7 +312,7 @@ DEPENDENCIES
   rabl
   rails (~> 6.0, >= 6.0.2.1)
   rails_12factor
-  rails_admin
+  rails_admin (~> 2.0)!
   redcarpet
   responders
   sass-rails (> 4)