diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9ec767..d55d109 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,4 +3,6 @@
 <!-- There should always be "Unreleased" section at the beginning. -->
 
 ## Unreleased
+
+## 1.0.0 - 2021-05-13
 - Initial implementation