diff --git a/requirements.txt b/requirements.txt
index 629088f..5506a2d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,5 @@
-opencv-contrib-python
+opencv-contrib-python>=4.7.0.72
+opencv-contrib-python-headless>=4.7.0.72
+opencv-python>=4.7.0.72
+opencv-python-headless>=4.7.0.72
 pymatting
\ No newline at end of file