diff --git a/library.json b/library.json
index 4f17b37..cb35631 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Modbus-Arduino",
-  "version": "1.1.1",
+  "version": "1.0.0",
   "keywords": "modbus, server, slave, rtu, tcp",
   "description": "A library that allows your Arduino to communicate via Modbus protocol, acting as a slave. Application layer library (OSI 7), used by all implementations over serial line and TCP/IP.",
   "homepage": "https://github.com/epsilonrt/modbus-arduino",
diff --git a/library.properties b/library.properties
index 526fea5..79b3ba5 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Modbus-Arduino
-version=1.1.1
+version=1.0.0
 author=Pascal Jean aka epsilonrt,André Sarmento Barbosa
 maintainer=epsilonrt
 sentence=A library that allows your Arduino to communicate via Modbus protocol, acting as a slave.