diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9da048..69ecbf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 0.3
 - Add alphanumeric string
 - Add default transform argument to combine
+- Add one-of generator based on system RNG.
 
 ## 0.2
 - Add NonEmpty generator