diff --git a/albu/requirements.txt b/albu/requirements.txt
index 75aedf8..fc6dfff 100644
--- a/albu/requirements.txt
+++ b/albu/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.13.1
-opencv-python==3.3.0.9
+opencv-python==4.2.0.32
 pandas==0.20.3
 tqdm==4.15.0
 scikit_learn==0.19.0
diff --git a/requirements.txt b/requirements.txt
index b09914c..3d0f430 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 matplotlib
 numpy
-opencv_python==3.2.0.7
+opencv_python==4.2.0.32
 pandas
 scipy
 tqdm==4.8.4
diff --git a/ternaus/requirements.txt b/ternaus/requirements.txt
index 7345cff..efb3707 100644
--- a/ternaus/requirements.txt
+++ b/ternaus/requirements.txt
@@ -1,5 +1,5 @@
 numpy==1.13.1
-opencv-python==3.3.0.9
+opencv-python==4.2.0.32
 pandas==0.20.3
 tqdm==4.15.0
 scikit_learn==0.19.0