diff --git a/requirements_fixed_version.txt b/requirements_fixed_version.txt
index d3e3350e5a8aedd733c79af5878606fe389afb9b..47bdd9faa8e28dd46720184ec2432aa5fec7ee05 100644
--- a/requirements_fixed_version.txt
+++ b/requirements_fixed_version.txt
@@ -5,4 +5,6 @@ bokeh==1.4.0
 tqdm==4.43.0
 matplotlib==3.1.2
 nltk==3.4.5
-scipy==1.4.1
\ No newline at end of file
+scipy==1.4.1
+jupyterlab==2.1.1
+ipywidgets==7.5.1
\ No newline at end of file