bundle update activeadmin

In particular, I want activeadmin/activeadmin#4519 included.

Gemfile.lock

@@ -1,8 +1,8 @@
 GIT
   remote: git://github.com/activeadmin/activeadmin.git
-  revision: d84f8190edac8c28f942cd4b6c3e16086da9d7a2
+  revision: 0a5a15b88bffbe5efad7ff2a072ec4fe6eb09511
   specs:
-    activeadmin (1.0.0.pre2)
+    activeadmin (1.0.0.pre4)
       arbre (~> 1.0, >= 1.0.2)
       bourbon
       coffee-rails
@@ -12,10 +12,10 @@ GIT
       jquery-rails
       jquery-ui-rails
       kaminari (~> 0.15)
-      rails (>= 3.2, < 5.0)
+      railties (>= 3.2, < 5.1)
       ransack (~> 1.3)
       sass-rails
-      sprockets (< 4)
+      sprockets (< 4.1)
 
 GIT
   remote: git://github.com/deivid-rodriguez/localeapp.git
@@ -78,7 +78,7 @@ GEM
       multi_json
     airbrussh (1.1.0)
       sshkit (>= 1.6.1, != 1.7.0)
-    arbre (1.0.3)
+    arbre (1.1.1)
       activesupport (>= 3.0.0)
     arel (6.0.3)
     ast (2.3.0)
@@ -210,15 +210,15 @@ GEM
     jbuilder (1.5.3)
       activesupport (>= 3.0.0)
       multi_json (>= 1.2.0)
-    jquery-rails (4.1.1)
+    jquery-rails (4.2.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.5)
       railties (>= 3.2.16)
     json (1.8.3)
     jwt (1.5.1)
-    kaminari (0.16.3)
+    kaminari (0.17.0)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
     kgio (2.10.0)
@@ -291,7 +291,7 @@ GEM
       capybara (~> 2.1)
       cliver (~> 0.3.1)
       websocket-driver (>= 0.2.0)
-    polyamorous (1.3.0)
+    polyamorous (1.3.1)
       activerecord (>= 3.0)
     powerpack (0.1.1)
     pundit (1.1.0)
@@ -331,12 +331,12 @@ GEM
     rainbow (2.1.0)
     raindrops (0.15.0)
     rake (11.2.2)
-    ransack (1.7.0)
+    ransack (1.8.2)
       actionpack (>= 3.0)
       activerecord (>= 3.0)
       activesupport (>= 3.0)
       i18n
-      polyamorous (~> 1.2)
+      polyamorous (~> 1.3)
     rdoc (4.2.1)
       json (~> 1.4)
     recaptcha (3.2.0)
@@ -358,7 +358,7 @@ GEM
       redis-store (~> 1.2.0)
     redis-store (1.2.0)
       redis (>= 2.2)
-    responders (2.2.0)
+    responders (2.3.0)
       railties (>= 4.2.0, < 5.1)
     rest-client (2.0.0)
       http-cookie (>= 1.0.2, < 2.0)
@@ -404,7 +404,7 @@ GEM
     sprockets (3.7.0)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.1.1)
+    sprockets-rails (3.2.0)
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)