diff --git a/math/py-graphillion/Makefile b/math/py-graphillion/Makefile
index 2e7de7a6f91d..3bb94ca5412e 100644
--- a/math/py-graphillion/Makefile
+++ b/math/py-graphillion/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	graphillion
-DISTVERSION=	1.10
+DISTVERSION=	1.11
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 #DISTNAME=	${PORTNAME:S/g/G/}-${DISTVERSION}
 
 MAINTAINER=	bofh@FreeBSD.org
 COMMENT=	Fast, lightweight graphset operation library in Python
 WWW=		https://github.com/takemaru/graphillion
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 RUN_DEPENDS=	${PYTHON_PKGNAMEPREFIX}future>0:devel/py-future@${PY_FLAVOR}
 
 USES=		python
 USE_PYTHON=	autoplist distutils
 
 post-install:
 	${STRIP_CMD} ${STAGEDIR}${PYTHONPREFIX_SITELIBDIR}/_graphillion*.so
 
 do-test:
 	@cd ${WRKSRC} && ${PYTHON_CMD} ${PYDISTUTILS_SETUP} test
 
 .include <bsd.port.mk>
diff --git a/math/py-graphillion/distinfo b/math/py-graphillion/distinfo
index c468217a1b40..8ab9a4a5a289 100644
--- a/math/py-graphillion/distinfo
+++ b/math/py-graphillion/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1783187340
-SHA256 (graphillion-1.10.tar.gz) = 49a307ffc5e30635b4bdad4fd8e163cc9e3210ddd0915674512a1a3ca05fceb7
-SIZE (graphillion-1.10.tar.gz) = 1149855
+TIMESTAMP = 1783274500
+SHA256 (graphillion-1.11.tar.gz) = cbf13d9e14acbae3549389da493115dd721584637d3a2665af31d0d8340c7e13
+SIZE (graphillion-1.11.tar.gz) = 1287406