diff --git a/CHANGELOG.md b/CHANGELOG.md
index 373bf883..5331916b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## Unreleased
 
+Features:
+  - Update ActiveAdmin to 2.6 [#246](https://github.com/platanus/potassium/pull/246)
+
+Fix:
+  - Correctly use cache for bundle dependencies in CircleCi build [#244](https://github.com/platanus/potassium/pull/244)
+
 ## 5.2.3
 
 Features:
diff --git a/lib/potassium/recipes/admin.rb b/lib/potassium/recipes/admin.rb
index 4da868fc..8e94f39f 100644
--- a/lib/potassium/recipes/admin.rb
+++ b/lib/potassium/recipes/admin.rb
@@ -32,7 +32,7 @@ def installed?
   private
 
   def add_active_admin
-    gather_gem 'activeadmin', '~> 1.3.0'
+    gather_gem 'activeadmin', '~> 2.6'
     gather_gem 'activeadmin_addons'
     gather_gem 'active_skin'