diff --git a/tools/pnnx/tests/CMakeLists.txt b/tools/pnnx/tests/CMakeLists.txt
index b39932769..326a4c3b7 100644
--- a/tools/pnnx/tests/CMakeLists.txt
+++ b/tools/pnnx/tests/CMakeLists.txt
@@ -409,3 +409,5 @@ add_subdirectory(ncnn)
 if(onnxruntime_FOUND)
     add_subdirectory(onnx)
 endif()
+
+add_subdirectory(numpy)