diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e2d07b..9f7e946 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,11 +4,17 @@
 ### Fixed
 * Add full-date compliant date format validation #164
 
-## 1.1.0 (2023-10-15)
+## 2.0.0 (2023-10-15)
+
 ### Added
+
 * Support for uniqueItems in array #154
 * Fix nullable field does not work with allOf, anyOf and oneOf keyword #128
 
+### Other
+
+* Drop Ruby 2.6 Support #158
+
 ## 1.0.0 (2021-02-03)
 ### Added
 * Add date-time format validation #126