diff --git a/requirements.txt b/requirements.txt
index d5adfd0..37252f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Jinja2==2.10.1
 joblib==0.13.2
 MarkupSafe==1.1.1
 numpy==1.16.4
-pipenv==2018.11.26
+pipenv==2022.1.8
 scikit-learn==0.21.2
 scipy==1.3.0
 virtualenv==16.6.1