diff --git a/math/py-gym/Makefile b/math/py-gym/Makefile
index 9e0892601a83..e7073e306cf7 100644
--- a/math/py-gym/Makefile
+++ b/math/py-gym/Makefile
@@ -1,29 +1,29 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	gym
 PORTVERSION=	0.17.1
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	OpenAI toolkit for developing and comparing your reinforcement learning agents
 
 LICENSE=	MIT
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cloudpickle>=1.2.0<1.4.0:devel/py-cloudpickle@${PY_FLAVOR} \
 		${PY_ENUM34} \
 		${PYNUMPY} \
-		${PYTHON_PKGNAMEPREFIX}pyglet>=1.4.0<1.5.1:graphics/py-pyglet@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}pyglet150>=1.4.0<1.5.1:graphics/py-pyglet150@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}scipy>=0:science/py-scipy@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}six>=0:devel/py-six@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
 
 USES=		python:3.5+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>