diff --git a/math/py-gym/Makefile b/math/py-gym/Makefile
index a56ed97cd4a2..824d65c69f0d 100644
--- a/math/py-gym/Makefile
+++ b/math/py-gym/Makefile
@@ -1,28 +1,24 @@
 # Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
 
 PORTNAME=	gym
-PORTVERSION=	0.18.3
+PORTVERSION=	0.20.0
 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
-LICENSE_FILE=	${WRKSRC}/LICENSE.md
 
-RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cloudpickle>=1.2.0<1.7.0:devel/py-cloudpickle@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}numpy>=1.10.4,1:math/py-numpy@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pillow>=0<8.2.1:graphics/py-pillow@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}pyglet150>=1.4.0<1.5.16:graphics/py-pyglet150@${PY_FLAVOR} \
-		${PYTHON_PKGNAMEPREFIX}scipy>=0:science/py-scipy@${PY_FLAVOR}
+RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}cloudpickle>=1.2.0:devel/py-cloudpickle@${PY_FLAVOR} \
+		${PYTHON_PKGNAMEPREFIX}numpy>=1.18.0,1:math/py-numpy@${PY_FLAVOR}
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}mock>=0:devel/py-mock@${PY_FLAVOR} \
 		${PYTHON_PKGNAMEPREFIX}pytest>=0:devel/py-pytest@${PY_FLAVOR}
 
-USES=		python:3.6+
+USES=		python:3.7+
 USE_PYTHON=	autoplist concurrent distutils
 
 NO_ARCH=	yes
 
 .include <bsd.port.mk>
diff --git a/math/py-gym/distinfo b/math/py-gym/distinfo
index 259f6afab8ea..c57ea03656c1 100644
--- a/math/py-gym/distinfo
+++ b/math/py-gym/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1624189743
-SHA256 (gym-0.18.3.tar.gz) = 81a3e3fbf7fcf57c8cf98f7e22d1bdd5815f3824d9c148a7eb42420d3d642967
-SIZE (gym-0.18.3.tar.gz) = 1574545
+TIMESTAMP = 1635730993
+SHA256 (gym-0.20.0.tar.gz) = ca963d003cf8b7db8205865de6f3fed605e17e8e488f55ed9118b7768ea21100
+SIZE (gym-0.20.0.tar.gz) = 1565009