diff --git a/science/py-gsd/Makefile b/science/py-gsd/Makefile
index 887020694fc1..e24ad6b6693f 100644
--- a/science/py-gsd/Makefile
+++ b/science/py-gsd/Makefile
@@ -1,27 +1,27 @@
 PORTNAME=	gsd
-DISTVERSION=	3.1.0
+DISTVERSION=	3.1.1
 CATEGORIES=	science python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	GSD (General Simulation Data) file format for Python
 WWW=		https://bitbucket.org/glotzer/gsd/wiki/Home
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${PYNUMPY}
 RUN_DEPENDS=	${PYNUMPY}
 
 USES=		python
 USE_PYTHON=	distutils cython autoplist pytest
 
 TEST_WRKSRC=	${WRKSRC}/gsd/test
 #TEST_ARGS=	--pyargs gsd -p gsd.pytest_plugin_validate --validate # enable this line to run longer tests, see https://gsd.readthedocs.io/en/v2.6.0/installation.html#run-tests
 TEST_ENV=	${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/gsd/fl*.so
 
 .include <bsd.port.mk>
diff --git a/science/py-gsd/distinfo b/science/py-gsd/distinfo
index 73f58fdf0a02..e569dac5dbb4 100644
--- a/science/py-gsd/distinfo
+++ b/science/py-gsd/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1690879390
-SHA256 (gsd-3.1.0.tar.gz) = 35a70419c6a519825afd9d5e47a570d98cec7273c39f43e2ab0aa3e7166ad198
-SIZE (gsd-3.1.0.tar.gz) = 174736
+TIMESTAMP = 1691124594
+SHA256 (gsd-3.1.1.tar.gz) = 6802b79d7f078536faf5a96ac300518613dd285cf3bc21ed81e1f2d0f7155bf5
+SIZE (gsd-3.1.1.tar.gz) = 174849