diff --git a/src/ext/CMakeLists.txt b/src/ext/CMakeLists.txt
index 13df36e2..61f84c14 100644
--- a/src/ext/CMakeLists.txt
+++ b/src/ext/CMakeLists.txt
@@ -160,5 +160,5 @@ if (WIN32 AND NOT MINGW AND NOT MSYS)
 endif ()
 
 set(ABSL_PROPAGATE_CXX_STD ON CACHE BOOL "" FORCE)
-add_subdirectory(abseil-cpp)
+find_package(absl CONFIG REQUIRED)
 target_link_libraries(luisa-compute-ext PUBLIC absl::base absl::flat_hash_map)