diff --git a/CHANGELOG.md b/CHANGELOG.md
index b7e2048..691fb0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+## 4.0.0 (Unreleased)
+
+Changes:
+
+  - drop support for Ruby 1.8 (@mkdynamic)
+  - switch to versioned FB APIs, currently using v2.6 (#245, @printercu, @mkdynamic)
+  - remove deprecated :nickname field from README example (#223, @abelorian)
+  - add Ruby 2.2 and 2.3 to CI (#225, @tricknotes, @mkdynamic)
+  - update example app (@mkynamic)
+
 ## 3.0.0 (2015-10-26)
 
 Changes:
diff --git a/lib/omniauth/facebook/version.rb b/lib/omniauth/facebook/version.rb
index 34f5686..3b9c88c 100644
--- a/lib/omniauth/facebook/version.rb
+++ b/lib/omniauth/facebook/version.rb
@@ -1,5 +1,5 @@
 module OmniAuth
   module Facebook
-    VERSION = "3.0.0"
+    VERSION = "4.0.0"
   end
 end