diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1c59998..3cc0f9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,7 @@
 ### Internal
 
 * reimplemented PDDL parser from scratch as stand-alone `pddl` library
+* removed dependency to Boost
 
 ## 3.0.3 (2016-09-02)