diff --git a/requirements_python2.txt b/requirements_python2.txt
index a6dd643c..0ed56c14 100644
--- a/requirements_python2.txt
+++ b/requirements_python2.txt
@@ -3,7 +3,7 @@ PyYAML>=5.1
 scipy>=1.2.0
 matplotlib>=2.2.2
 Pillow>=5.1.0
-opencv-python==4.0.0.21
+opencv-python==4.1.1.26
 open3d_python==0.5.0.0
 bezier==0.9.0
 scikit-learn==0.20.3
diff --git a/requirements_python3.txt b/requirements_python3.txt
index 80eebc48..aa8e7a2b 100644
--- a/requirements_python3.txt
+++ b/requirements_python3.txt
@@ -3,7 +3,7 @@ PyYAML>=3.11
 scipy>=1.2.0
 matplotlib>=2.2.2
 Pillow>=5.1.0
-opencv-python==4.0.0.21
+opencv-python==4.1.1.26
 open3d_python==0.5.0.0
 scikit-learn==0.20.3
 absl-py==0.7.1