diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index eedfbfd..1cdddd7
--- a/requirements.txt
+++ b/requirements.txt
@@ -137,7 +137,7 @@ pep8==1.7.1
 pexpect==4.7.0
 pickleshare==0.7.5
 Pillow==6.2.0
-pipenv==2018.11.26
+pipenv==2022.1.8
 pkginfo==1.5.0.1
 plac==1.1.3
 pluggy==0.13.0