diff --git a/requirements.txt b/requirements.txt
index 7aa2dfcd35ff..8e700c545a38 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@
 # Base ----------------------------------------
 matplotlib>=3.2.2
 numpy>=1.18.5
-opencv-python>=4.1.2
+opencv-python>=4.1.1
 Pillow>=7.1.2
 PyYAML>=5.3.1
 requests>=2.23.0