diff --git a/requirements.txt b/requirements.txt
index c34125bad..2330a91c2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,6 +17,9 @@ frozendict
 # Database plugin support
 sqlalchemy
 
+# Dates support
+python-dateutil
+
 # Philips Hue plugin support
 phue
 
diff --git a/setup.py b/setup.py
index 9f3ade911..ca36eb784 100755
--- a/setup.py
+++ b/setup.py
@@ -65,7 +65,7 @@ setup(
         'Support for Pushbullet backend': ['requests', 'websocket-client'],
         'Support for HTTP backend': ['flask'],
         'Support for HTTP poll backend': ['frozendict'],
-        'Support for database plugin': ['sqlalchemy'],
+        'Support for database plugin': ['sqlalchemy', 'python-dateutil'],
         'Support for Philips Hue plugin': ['phue'],
         'Support for MPD/Mopidy music server plugin': ['python-mpd2'],
         'Support for Belkin WeMo Switch plugin': ['ouimeaux'],