diff --git a/CMakeLists.txt b/CMakeLists.txt
index cd11625..4fb8872 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,10 +30,7 @@ option(RYML_INSTALL "Enable install target" ON)
 
 #-------------------------------------------------------
 
-c4_require_subproject(c4core INCORPORATE
-    SUBDIRECTORY ${RYML_EXT_DIR}/c4core
-    OVERRIDE C4CORE_INSTALL ${RYML_INSTALL}
-)
+find_package(c4core CONFIG REQUIRED)
 
 c4_add_library(ryml
     SOURCES
@@ -84,10 +81,10 @@ c4_add_library(ryml
         ryml.natvis
     SOURCE_ROOT ${RYML_SRC_DIR}
     INC_DIRS
+        $<BUILD_INTERFACE:${C4CORE_INCLUDE_DIR}>
         $<BUILD_INTERFACE:${RYML_SRC_DIR}>
         $<INSTALL_INTERFACE:include>
-    LIBS c4core
-    INCORPORATE c4core
+    LIBS c4core::c4core
     )
 
 if(RYML_WITH_TAB_TOKENS)
@@ -177,7 +174,6 @@ endif()
 if(RYML_INSTALL)
     c4_install_target(ryml)
     c4_install_exports(DEPENDENCIES c4core)
-    c4_pack_project()
 endif()