diff --git a/3rdpart/CMakeLists.txt b/3rdpart/CMakeLists.txt
index c90129d..06bde42 100644
--- a/3rdpart/CMakeLists.txt
+++ b/3rdpart/CMakeLists.txt
@@ -24,6 +24,7 @@
 ##############################################################################
 
 # jsoncpp
+if (0)
 file(GLOB JSONCPP_SRC_LIST
   ${CMAKE_CURRENT_SOURCE_DIR}/jsoncpp/include/json/*.h
   ${CMAKE_CURRENT_SOURCE_DIR}/jsoncpp/src/lib_json/*.cpp
@@ -38,7 +39,8 @@ target_include_directories(jsoncpp
   PUBLIC
     "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>/jsoncpp/include")
 
-update_cached_list(MK_LINK_LIBRARIES jsoncpp)
+endif()
+update_cached_list(MK_LINK_LIBRARIES JsonCpp::JsonCpp)
 
 ##############################################################################
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb85679..c9390bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -434,6 +434,7 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 # for assert.h
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/3rdpart)
 
+find_package(jsoncpp CONFIG REQUIRED)
 add_subdirectory(3rdpart)
 
 add_subdirectory(src)