diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 309bbdf3..9ce34a5b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,7 +24,7 @@ cmake_minimum_required(VERSION 3.8)
 #cmake_policy(SET CMP0076 NEW)
 
 project(units
-    VERSION 0.3.0
+    VERSION 0.3.1
     LANGUAGES CXX
 )