diff --git a/science/avogadro2/Makefile b/science/avogadro2/Makefile
index 751d314ffbd3..cb23f20b6653 100644
--- a/science/avogadro2/Makefile
+++ b/science/avogadro2/Makefile
@@ -1,30 +1,30 @@
 PORTNAME=	avogadro2
-DISTVERSION=	1.97.0
-PORTREVISION=	1
+DISTVERSION=	1.99.0
 CATEGORIES=	science
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Chemical editor and visualization application
 WWW=		https://two.avogadro.cc/ # also https://www.openchemistry.org/projects/avogadro2/
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	hdf5>0:science/hdf5
 LIB_DEPENDS=	libAvogadroCore.so:science/avogadrolibs \
 		libMoleQueueClient.so:misc/molequeue
+RUN_DEPENDS=	obabel:science/openbabel
 
 USES=		cmake compiler:c++11-lang desktop-file-utils gl libarchive qt:5
 USE_QT=		core concurrent gui network widgets buildtools:build qmake:build
 USE_GL=		gl glew glu
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	OpenChemistry
 GH_PROJECT=	avogadroapp
 GH_TUPLE=	flathub:shared-modules:1bb5393:flathub_shared_modules/flatpak/shared-modules \
 		openchemistry:avogadro-i18n:16142cf:i18n/../avogadro-i18n
 
 post-install:
 	@${RM} -r ${STAGEDIR}${PREFIX}/share/doc
 
 .include <bsd.port.mk>
diff --git a/science/avogadro2/distinfo b/science/avogadro2/distinfo
index 2a183f6e1674..edd0d18c0e19 100644
--- a/science/avogadro2/distinfo
+++ b/science/avogadro2/distinfo
@@ -1,7 +1,7 @@
-TIMESTAMP = 1665903503
-SHA256 (OpenChemistry-avogadroapp-1.97.0_GH0.tar.gz) = c4e1a0d54e43c2ae8bbd6b872e46b2f983f45c5aaa981731c681d5325faaec63
-SIZE (OpenChemistry-avogadroapp-1.97.0_GH0.tar.gz) = 2931223
+TIMESTAMP = 1707725773
+SHA256 (OpenChemistry-avogadroapp-1.99.0_GH0.tar.gz) = 4713faa4e755433947924a381fd1631dfe46a9f27065765cfa04c120ed603189
+SIZE (OpenChemistry-avogadroapp-1.99.0_GH0.tar.gz) = 3044744
 SHA256 (flathub-shared-modules-1bb5393_GH0.tar.gz) = a590c2f31dff3f258b439e210b62a1278c13b3353d64f290ebcd1d6062d8c147
 SIZE (flathub-shared-modules-1bb5393_GH0.tar.gz) = 66640
 SHA256 (openchemistry-avogadro-i18n-16142cf_GH0.tar.gz) = 706a0489fd2919cde92c41b6b5f5a42972c4d86614eea7a29d774e3bd0b68873
 SIZE (openchemistry-avogadro-i18n-16142cf_GH0.tar.gz) = 1035590