diff --git a/CHANGES.md b/CHANGES.md
index a127461..9715b28 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # CHANGES
 
+## 0.3.3
+
+- Add documentation
+
 ## 0.3.2
 
 - Fix: improve error handling