diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2872db2b..ccbf8e51 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.18.4)
 
-project(candy LANGUAGES C CXX VERSION 5.5)
+project(candy LANGUAGES C CXX VERSION 5.6)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wfatal-errors")