diff --git a/CMakeLists.txt b/CMakeLists.txt
index b837b08..30ae333 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.1)
 
-project(tsl-robin-map VERSION 1.0.1 LANGUAGES CXX)
+project(tsl-robin-map VERSION 1.2.1 LANGUAGES CXX)
 
 include(GNUInstallDirs)