diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index f8b834ac17...520e148428 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -39,23 +39,12 @@
   add_compile_options(-D_GNU_SOURCE)
 endif()
 
-message(STATUS "Using in-tree miniupnpc")
-set(UPNPC_NO_INSTALL TRUE CACHE BOOL "Disable miniupnp installation" FORCE)
-set(UPNPC_BUILD_TESTS FALSE CACHE BOOL "Disable miniupnp internal tests." FORCE)
-add_subdirectory(miniupnp/miniupnpc)
-set_property(TARGET libminiupnpc-static PROPERTY FOLDER "external")
-set_property(TARGET libminiupnpc-static PROPERTY POSITION_INDEPENDENT_CODE ON)
-if(MSVC)
-  set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -wd4244 -wd4267")
-elseif(NOT MSVC)
-  set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -Wno-undef -Wno-unused-result -Wno-unused-value")
-endif()
-if(CMAKE_SYSTEM_NAME MATCHES "NetBSD")
-	set_property(TARGET libminiupnpc-static APPEND_STRING PROPERTY COMPILE_FLAGS " -D_NETBSD_SOURCE")
-endif()
+include(FindPkgConfig)
+pkg_check_modules(MINIUPNPC REQUIRED IMPORTED_TARGET GLOBAL miniupnpc)
+get_target_property(MINIUPNPC_INCLUDE_DIR PkgConfig::MINIUPNPC INTERFACE_INCLUDE_DIRECTORIES)
+set_target_properties(PkgConfig::MINIUPNPC PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${MINIUPNPC_INCLUDE_DIR}/miniupnpc")
+set(UPNP_LIBRARIES PkgConfig::MINIUPNPC PARENT_SCOPE)
 
-set(UPNP_LIBRARIES "libminiupnpc-static" PARENT_SCOPE)
-
 find_package(Unbound)
 
 if(NOT UNBOUND_INCLUDE_DIR)
@@ -72,4 +61,3 @@
 add_subdirectory(db_drivers)
 add_subdirectory(easylogging++)
 add_subdirectory(qrcodegen)
-add_subdirectory(randomx EXCLUDE_FROM_ALL)