diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43b07d6..19527d6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,10 @@
-# [v1.0.0]  2024-04-02
+# [v2.1.0]  2024-04-15
 
 ## Added
 
-- Basic four arithmetic operations: addition, subtraction, multiplication, and division.
-- Power function.
+- functions for the operations with the stack
+- error handling
+
 
 # [v2.0.0]  2024-04-08
 
@@ -18,9 +19,10 @@
 - Optimized command handling functions
 - Updated README.md
 
-# [v2.1.0]  2024-04-15
+
+# [v1.0.0]  2024-04-02
 
 ## Added
 
-- functions for the operations with the stack
-- error handling
+- Basic four arithmetic operations: addition, subtraction, multiplication, and division.
+- Power function.
\ No newline at end of file