--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -152,7 +152,8 @@ set(CMAKE_UNITY_BUILD_BATCH_SIZE 40)
 set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ${lto})
 set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_DEBUG OFF)
 
-add_subdirectory(${3RDPARTY_DIR}/utfcpp)
+find_pkg("utf8cpp" REQUIRED)
+add_library(utfcpp ALIAS utf8cpp::utf8cpp)
 
 if(g15 AND WIN32)
        add_subdirectory("helpers/g15helper")