CHANGELOG.md in rack-logstasher-2.1.0 vs CHANGELOG.md in rack-logstasher-2.2.0

@@ -1,5 +1,9 @@
-## 2.1.0
+# 2.2.0
+
+* Drop support for Ruby 3.0
+
+# 2.1.0
 
 * Drop support for Ruby 2.7.
 
 # 2.0.0