diff --git a/requirements.txt b/requirements.txt
index 9791ac6..a95d751 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ jdcal==1.4.1
 Jinja2==2.11.2
 MarkupSafe==1.1.1
 openpyxl==3.0.5
-pipenv==2020.8.13
+pipenv==2022.1.8
 plotly==4.9.0
 requests==2.24.0
 retrying==1.3.3