Index: Makefile
===================================================================
--- Makefile    (revision 562316)
+++ Makefile    (working copy)
@@ -13,7 +13,8 @@
 LICENSE_FILE=  ${WRKSRC}/LICENSE

 RUN_DEPENDS=   ${PYTHON_PKGNAMEPREFIX}dateutil>=2.6:devel/py-dateutil@${PY_FLAVOR} \
-               ${PYTHON_PKGNAMEPREFIX}pytz>=2018.3:devel/py-pytz@${PY_FLAVOR}
+               ${PYTHON_PKGNAMEPREFIX}pytz>=2018.3:devel/py-pytz@${PY_FLAVOR} \
+               ${PYTHON_PKGNAMEPREFIX}pytzdata>=2020.1:devel/py-pytzdata@${PY_FLAVOR}

 USES=          python:3.6+
 USE_PYTHON=    autoplist distutils