diff --git a/data_scientist/project_4_analyzing_subway_data/requirements.txt b/data_scientist/project_4_analyzing_subway_data/requirements.txt
index 8146819..d71aa9a 100644
--- a/data_scientist/project_4_analyzing_subway_data/requirements.txt
+++ b/data_scientist/project_4_analyzing_subway_data/requirements.txt
@@ -17,7 +17,7 @@ ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jedi==0.14.1
 jinja2==2.10.1
-joblib==0.13.2
+joblib==1.2.0
 json5==0.8.5
 jsonschema==3.0.2
 jupyter==1.0.0