diff --git a/CHANGELOG.md b/CHANGELOG.md
index de727bb..22a8869 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.6.4 (2018-11-26)
+  - Expose `ad_set_activities` for `ad_sets`.
+
 ## 0.6.4 (2018-10-03)
   - Expose `budget_remaining`, `daily_budget`, `lifetime_budget` for Ad Campaigns. These are needed when we have budgets at the Ad Campaign level and not at the Ad Set level.
 
diff --git a/facebook_ads.gemspec b/facebook_ads.gemspec
index ffcaba0..7277025 100644
--- a/facebook_ads.gemspec
+++ b/facebook_ads.gemspec
@@ -6,7 +6,7 @@
 # gem push facebook_ads-0.6.4.gem
 Gem::Specification.new do |s|
   s.name        = 'facebook_ads'
-  s.version     = '0.6.4'
+  s.version     = '0.6.5'
   s.platform    = Gem::Platform::RUBY
   s.licenses    = ['MIT']
   s.authors     = ['Chris Estreich']