diff --git a/opencv.spec b/opencv.spec
index 35f7f9830bb6869f2ec6b332037a6683af46b23f..6df5d6e52363b9f1fc52c537704a9334f15bcd02 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -1,6 +1,6 @@
 Name:		opencv
 Version:	4.5.2
-Release:	5
+Release:	6
 Summary:	OpenCV means Intel® Open Source Computer Vision Library.
 License:	Apache-2.0
 URL:		https://github.com/opencv/opencv
@@ -68,7 +68,9 @@ cmake ../../ -DCMAKE_BUILD_TYPE=Release\
              -DPYTHON3_LIBRARY=$(python3 -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR')+ '/libpython3.so')")\
              -DPYTHON_LIBRARIES=$(python3 -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR')+ '/libpython3.so')")\
              -DPYTHON_LIBRARY=$(python3 -c "import distutils.sysconfig as sysconfig; print(sysconfig.get_config_var('LIBDIR')+ '/libpython3.so')")\
-             -DCMAKE_INSTALL_PREFIX=/usr
+             -DCMAKE_INSTALL_PREFIX=/usr \
+             -DOPENCV_CONFIG_INSTALL_PATH=%{_lib}/cmake/OpenCV \
+             -DOPENCV_GENERATE_PKGCONFIG=ON
 make -j24 V=1
 ctest -E "opencv_test_objdetect|opencv_test_photo"
 
@@ -87,6 +89,9 @@ make install DESTDIR=%{buildroot}
 %{python3_sitelib}/cv2/*
 
 %changelog
+* Thu Jan 28 2022 douyan <douyan@kylinos.cn> - 4.5.2-6
+- add pkgconfig file
+
 * Thu Jan 27 2022 douyan <douyan@kylinos.cn> - 4.5.2-5
 - use %{python3_sitelib} instead of /usr/lib/python3.8/site-packages