diff --git a/Oneflow-Python/FastNeuralStyle/requirements.txt b/Oneflow-Python/FastNeuralStyle/requirements.txt
index b02ca3b..cd0b116 100644
--- a/Oneflow-Python/FastNeuralStyle/requirements.txt
+++ b/Oneflow-Python/FastNeuralStyle/requirements.txt
@@ -1,2 +1,2 @@
 numpy==1.22.0
-opencv-python==4.2.0.32
\ No newline at end of file
+opencv-python==4.8.1.78
\ No newline at end of file