diff --git a/requirements-gpu-py2.txt b/requirements-gpu-py2.txt
index ff64324..57ce841 100644
--- a/requirements-gpu-py2.txt
+++ b/requirements-gpu-py2.txt
@@ -11,6 +11,6 @@ tika
 ystockquote
 yfinance
 requests
-opencv-python==4.0.1.24
+opencv-python==4.1.1.26
 pydub
 pillow
diff --git a/requirements-py2.txt b/requirements-py2.txt
index d55f2ed..d8d9dfe 100644
--- a/requirements-py2.txt
+++ b/requirements-py2.txt
@@ -10,6 +10,6 @@ tika==1.24
 ystockquote==0.2.5
 yfinance==0.1.54
 requests==2.24.0
-opencv-python==4.0.1.24
+opencv-python==4.1.1.26
 pydub==0.24.1
 Pillow==7.1.0
diff --git a/requirements-tf2.txt b/requirements-tf2.txt
index 917b83b..c902bbe 100644
--- a/requirements-tf2.txt
+++ b/requirements-tf2.txt
@@ -52,7 +52,7 @@ notebook~=6.1.3
 numba~=0.51.2
 numpy~=1.17.3
 oauthlib~=3.1.0
-opencv-python~=4.4.0.42
+opencv-python~=4.1.1.26
 opt-einsum~=3.3.0
 packaging~=20.4
 pandas~=1.1.2
diff --git a/requirements.txt b/requirements.txt
index 5e8e06e..3e4fd75 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ tika==1.24
 ystockquote==0.2.5
 yfinance==0.1.54
 requests==2.24.0
-opencv-python==4.0.1.24
+opencv-python==4.1.1.26
 pydub==0.24.1
 horovod~=0.18.2
 python-speech-features==0.6