diff --git a/apiserver/requirements.txt b/apiserver/requirements.txt
index c34a469..313a9a2 100644
--- a/apiserver/requirements.txt
+++ b/apiserver/requirements.txt
@@ -8,6 +8,7 @@ Flask==1.1.2
 Flask-Cors==3.0.8
 gevent==20.6.2
 greenlet==0.4.16
+humanize==4.13.0
 idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.2