diff --git a/science/chemps2/Makefile b/science/chemps2/Makefile
index 95bcee29fd95..5bcf59819adc 100644
--- a/science/chemps2/Makefile
+++ b/science/chemps2/Makefile
@@ -1,26 +1,26 @@
 PORTNAME=	CheMPS2
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.8.10
+DISTVERSION=	1.8.11
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Spin-adapted implementation of DMRG for ab initio quantum chemistry
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libhdf5.so:science/hdf5 \
 		libsz.so:science/szip
 
 USES=		blaslapack:openblas cmake fortran
 USE_GITHUB=	yes
 GH_ACCOUNT=	SebWouters
 USE_LDCONFIG=	yes
 
 CMAKE_ARGS+=	-DSHARED_ONLY:BOOL=ON
 CMAKE_ARGS+=	-DENABLE_TESTS:BOOL=OFF
 CMAKE_ARGS+=	-DENABLE_XHOST:BOOL=OFF # shouldn't optimize the port in case of central build
 CMAKE_ARGS+=	-DENABLE_OPENMP:BOOL=OFF # find_package(OpenMP) is broken since the merge into cmake: bug#223678
 CMAKE_ARGS+=	-DLAPACK_LIBRARIES="-lopenblas" # can't find it using find_package for some reason
 
 .include <bsd.port.mk>
diff --git a/science/chemps2/distinfo b/science/chemps2/distinfo
index dc75fbeb7b00..b571152c79f5 100644
--- a/science/chemps2/distinfo
+++ b/science/chemps2/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1612172987
-SHA256 (SebWouters-CheMPS2-v1.8.10_GH0.tar.gz) = 7d1dd47a6473e5a60eabcc0f5d84a6c68ebf777c8dba20ee35052054c59f734e
-SIZE (SebWouters-CheMPS2-v1.8.10_GH0.tar.gz) = 1250020
+TIMESTAMP = 1641967717
+SHA256 (SebWouters-CheMPS2-v1.8.11_GH0.tar.gz) = 1843c1dd2775104a7b75fc4849ef54eb0b67b7643553b88af82a9ea1f034c4e5
+SIZE (SebWouters-CheMPS2-v1.8.11_GH0.tar.gz) = 1250026