diff --git a/devel/py-dask/Makefile b/devel/py-dask/Makefile
index 8c00e03a0933..8dff1f137ea0 100644
--- a/devel/py-dask/Makefile
+++ b/devel/py-dask/Makefile
@@ -1,40 +1,40 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	dask
-PORTVERSION=	2021.11.2
+PORTVERSION=	2021.12.0
 CATEGORIES=	devel python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Parallel PyData with Task Scheduling
 
 LICENSE=	BSD4CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cloudpickle>=1.1.1:devel/py-cloudpickle@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}fsspec>=0.6.0:devel/py-fsspec@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}packaging>=20.0:devel/py-packaging@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}partd>=0.3.10:databases/py-partd@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}yaml>=0:devel/py-yaml@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}toolz>=0.8.2:devel/py-toolz@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
 
 USES=		cpe python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 CPE_VENDOR=	anaconda
 
 OPTIONS_DEFINE=	ARRAY DATAFRAME DIAGNOSTICS
 ARRAY_DESC=	Subset of the NumPy ndarray interface
 DATAFRAME_DESC=	Composed of many smaller Pandas DataFrames
 DIAGNOSTICS_DESC=	Profile and inspect parallel codes
 
 ARRAY_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=1.18,1:math/py-numpy@${PY_FLAVOR} \
 DATAFRAME_RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}numpy>=1.18,1:math/py-numpy@${PY_FLAVOR} \
 			${PYTHON_PKGNAMEPREFIX}pandas>=1.0,1:math/py-pandas@${PY_FLAVOR}
-DIAGNOSTICS_RUN_DEPENDS=${PYTHON_PKGNAMEPREFIX}bokeh>=1.0.0:www/py-bokeh@${PY_FLAVOR}
+DIAGNOSTICS_RUN_DEPENDS=${PYTHON_PKGNAMEPREFIX}bokeh>=2.1.1:www/py-bokeh@${PY_FLAVOR}
 
 .include <bsd.port.mk>
diff --git a/devel/py-dask/distinfo b/devel/py-dask/distinfo
index 4052b8f5450a..984c22abd6e8 100644
--- a/devel/py-dask/distinfo
+++ b/devel/py-dask/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1637519858
-SHA256 (dask-2021.11.2.tar.gz) = e12bfe272928d62fa99623d98d0e0b0c045b33a47509ef31a22175aa5fd10917
-SIZE (dask-2021.11.2.tar.gz) = 3973550
+TIMESTAMP = 1641045906
+SHA256 (dask-2021.12.0.tar.gz) = 90614c9d162713e4849532c86f2854e8d53468521285413403b6c496344c0109
+SIZE (dask-2021.12.0.tar.gz) = 3980187