diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0f93f8f..d5785c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+- n/a
+
+## 1.0.0 - 2021-03-11
+
+- First version with stable interface.
 - Handling of "-v" option changed slightly to improve consistency with rsync.
 
 ## 0.2.1 - 2021-03-10