diff --git a/requirments.txt b/requirments.txt
index e5b5f4a20..ff9efbc01 100755
--- a/requirments.txt
+++ b/requirments.txt
@@ -51,6 +51,7 @@ python-dateutil==2.7.5
 pytz==2018.4
 pyudev==0.15
 pyxattr==0.7.1
+pyotp==2.4.0
 PyYAML==3.10
 requests==2.18.4
 requests-file==1.4.3