diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0c8a55..a1937d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [1.4.1] - 2021-07-06
+
+- Improve fuzzy set calculations
+
 ## [Unreleased]
 
 ## [1.1.0] - 2019-02-22
diff --git a/library.properties b/library.properties
index 200fc71..3749c9e 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=eFLL
-version=1.4.0
+version=1.4.1
 author=AJ Alves <aj.alves@zerokol.com>, Dr. Ricardo Lira <ricardor_usp@yahoo.com.br>, Msc. Marvin Lemos <marvinlemos@gmail.com>, Douglas S. Kridi <douglaskridi@gmail.com>, Kannya Leal <kannyal@hotmail.com>
 maintainer=AJ Alves <aj.alves@zerokol.com>
 sentence=eFLL (Embedded Fuzzy Logic Library).