diff --git a/requirements.txt b/requirements.txt
index 65a53cabb..5110f6d4e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ hjson==3.0.1
 jmespath==0.9.3
 kappa==0.6.0
 lambda-packages==0.19.0
-python-dateutil==2.6.1
+python-dateutil==2.7.0
 python-slugify==1.2.4
 PyYAML==3.12
 requests>=2.10.0