diff --git a/docs/requirements.txt b/docs/requirements.txt
index e3a16afce8..65d0917d7c 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,8 +1,11 @@
--f https://download.pytorch.org/whl/cpu/torch-1.4.0%2Bcpu-cp37-cp37m-linux_x86_64.whl 
+-f https://download.pytorch.org/whl/cpu/torch-1.4.0%2Bcpu-cp37-cp37m-linux_x86_64.whl
 torch>=1.4.0
 pytorch-ignite==0.3.0
 numpy
 nibabel
+parameterized
+scipy
+scikit-image
 tensorboard
 commonmark==0.9.1
 recommonmark==0.6.0