diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38bf1bf..0f9f183 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ else()
 endif()
 
 project(argparse
-        VERSION 2.9.0 
+        VERSION 3.0.0 
         DESCRIPTION "A single header argument parser for C++17"
         HOMEPAGE_URL "https://github.com/p-ranav/argparse"
         LANGUAGES CXX
diff --git a/README.md b/README.md
index 403995b..2fbb746 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
   <a href="https://github.com/p-ranav/argparse/blob/master/LICENSE">
     <img src="https://img.shields.io/badge/License-MIT-yellow.svg" alt="license"/>
   </a>
-  <img src="https://img.shields.io/badge/version-2.9-blue.svg?cacheSeconds=2592000" alt="version"/>
+  <img src="https://img.shields.io/badge/version-3.0-blue.svg?cacheSeconds=2592000" alt="version"/>
 </p>
 
 ## Highlights
diff --git a/conanfile.py b/conanfile.py
index 743e5f3..79d407a 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -2,7 +2,7 @@ from conans import ConanFile
 
 class ArgparseConan(ConanFile):
     name = "argparse"
-    version = "2.9"
+    version = "3.0"
     exports_sources = "include/argparse.hpp"
     no_copy_source = True
 
diff --git a/xmake.lua b/xmake.lua
index cc33c03..c95bda3 100644
--- a/xmake.lua
+++ b/xmake.lua
@@ -1,7 +1,7 @@
 set_xmakever("2.8.2")
 set_project("argparse")
 
-set_version("2.9.0", { build = "%Y%m%d%H%M" })
+set_version("3.0.0", { build = "%Y%m%d%H%M" })
 
 option("enable_module")
 option("enable_std_import", { defines = "ARGPARSE_MODULE_USE_STD_MODULE" })