diff --git a/CHANGELOG.md b/CHANGELOG.md
index a466dfe..8945930 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 ## (unreleased)
 
+### Features
+
+* more and advanced simplification rules
+* adds support for exponentiation operator
+* new examples: prime numbers, permutation generator, and graph coloring (extended)
+
 ## 0.1.7 (2018-04-08)
 
 ### Features