diff --git a/config/requirements.txt b/config/requirements.txt
index 2abc3b7..02e43ce 100644
--- a/config/requirements.txt
+++ b/config/requirements.txt
@@ -12,6 +12,7 @@ pycparser==2.19
 pycurl==7.43.0.4
 pyOpenSSL==19.1.0
 pytest==5.4.1
+python-dateutil==2.8.1
 six==1.14.0
 soupsieve==1.9.5
 Werkzeug==0.16.0