diff --git a/requirements.txt b/requirements.txt
index d7fb417d..d84a4f09 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,18 +1,16 @@
 flask==1.1.1
 gunicorn==20.0.4
-opencv-python-headless==4.2.0.32
+numpy==1.21.0
+opencv-python==4.5.3.56
 boost==0.1 
 cmake==0.7.1
 Click>=6.0
 dlib>=19.3.0
 scipy>=0.17.0
-numpy==1.17.2
 matplotlib==3.1.1
 imutils==0.5.3
 requests==2.20.0
 scikit-learn==0.20.0
 tensorflow==2.4.0
 keras==2.2.3
-Pillow==8.2.0
-keras==2.2.3
 jupyter==1.0.0