diff --git a/requirements.txt b/requirements.txt
index 21a9d18c..c99b32fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ ecdsa==0.11
 Pygments==1.6
 django-filter==0.15.2
 jsonfield==0.9.22
-python-dateutil==2.2
+python-dateutil==2.8.1
 https://github.com/glic3rinu/passlib/archive/master.zip
 django-iban==0.3.0
 requests