diff --git a/graphics/converseen/Makefile b/graphics/converseen/Makefile
index da990e952601..d5e8325ccbc3 100644
--- a/graphics/converseen/Makefile
+++ b/graphics/converseen/Makefile
@@ -1,24 +1,37 @@
 PORTNAME=	converseen
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.11.0.1
+DISTVERSION=	0.12.0.0
 CATEGORIES=	graphics
 
 MAINTAINER=	fernape@FreeBSD.org
 COMMENT=	Easy to use graphics conversion utility
 WWW=		https://converseen.sourceforge.net/
 
 LICENSE=	GPLv3+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-USES=		cmake compiler:c++11-lang magick:7 qt:5 tar:bzip2
-USE_QT=		core gui network widgets \
-		buildtools:build linguisttools:build qmake:build
+FLAVORS=	qt5 qt6
+
+USES=		cmake compiler:c++11-lang gl magick:7 qt:5 tar:bzip2
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Faster3ck
 GH_PROJECT=	Converseen
+USE_GL=		gl
+USE_QT=		core gui network widgets \
+		buildtools:build linguisttools:build qmake:build
+
+.if ${FLAVOR:U} == qt6
+PKGNAMESUFFIX=	-${FLAVOR}
+USES:=		${USES:S/qt:5/qt:6/}
+USE_QT=		base tools:build
+CMAKE_ARGS=	-DUSE_QT6=yes
+CONFLICTS_INSTALL=	${PORTNAME}
+.else
+CONFLICTS_INSTALL=	${PORTNAME}-qt6
+.endif
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/converseen
 
 .include <bsd.port.mk>
diff --git a/graphics/converseen/distinfo b/graphics/converseen/distinfo
index a526103fc1a5..ca142aea9551 100644
--- a/graphics/converseen/distinfo
+++ b/graphics/converseen/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1697704011
-SHA256 (Faster3ck-Converseen-v0.11.0.1_GH0.tar.gz) = 36d76da264e8191f60cebdc702297d181b6fd5e2cebb5233fbf339146c4a7480
-SIZE (Faster3ck-Converseen-v0.11.0.1_GH0.tar.gz) = 2292094
+TIMESTAMP = 1701071354
+SHA256 (Faster3ck-Converseen-v0.12.0.0_GH0.tar.gz) = b1dea18744cc07fc62dd50b3873ed7dca6cd3522f067dc056777085bf08f5d10
+SIZE (Faster3ck-Converseen-v0.12.0.0_GH0.tar.gz) = 2296890