diff --git a/Heart_rate_heavy/requirements.txt b/Heart_rate_heavy/requirements.txt
index 20cf732..f01ff85 100644
--- a/Heart_rate_heavy/requirements.txt
+++ b/Heart_rate_heavy/requirements.txt
@@ -1,6 +1,6 @@
 scipy==1.3.0
 dlib==19.17.0
 imutils==0.5.2
-opencv-python==4.1.0.25
+opencv-python==4.1.1.26
 PyQt5==5.12.3
 pyqtgraph==0.10.0
\ No newline at end of file