diff --git a/requirements.txt b/requirements.txt
index b9cd5ec..28dab06 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy
 matplotlib
-opencv-python==3.3.0.9
+opencv-python==3.4.7.28
 tensorflow
 keras
 paho-mqtt
\ No newline at end of file