diff --git a/README.rst b/README.rst
index fda4650..2ef8366 100644
--- a/README.rst
+++ b/README.rst
@@ -91,6 +91,10 @@ Synchronize tree of organizational units and people between two LDAP directories
 Changelog
 =========
 
+0.21
+----
+* fix warnings about file descriptor leaks and python-ldap3 bytes-mode
+
 0.18
 ----
 * fix conversion of text to bytes in LDIF parser