diff --git a/benchmarks/kdiskmark/Makefile b/benchmarks/kdiskmark/Makefile
index afb88f70ef69..77684881fc5a 100644
--- a/benchmarks/kdiskmark/Makefile
+++ b/benchmarks/kdiskmark/Makefile
@@ -1,42 +1,39 @@
 # Created by: Alexey Dokuchaev <danfe@FreeBSD.org>
 
 PORTNAME=	${GH_PROJECT:tl}
-PORTVERSION=	2.2.1
+PORTVERSION=	2.3.0
 CATEGORIES=	benchmarks
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Graphical HDD/SSD benchmarking tool
 
 LICENSE=	GPLv3
 
 RUN_DEPENDS=	fio:benchmarks/fio
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	JonMagon
 GH_PROJECT=	KDiskMark
 
 USES=		cmake compiler:c++11-lang kde:5 qt:5
 USE_QT=		buildtools_build linguisttools_build qmake_build \
 		core gui widgets
 USE_KDE=	ecm_build
 
 OPTIONS_DEFINE=	CLEARCACHE KF5AUTH
 KF5AUTH_IMPLIES=	CLEARCACHE
 OPTIONS_SUB=	yes
 
 CLEARCACHE_DESC=	Cache clearing functionality
 KF5AUTH_DESC=		KF5Auth cache clearing helper
 
 CLEARCACHE_CMAKE_OFF=	-DBUILD_WITH_PAGECACHE_CLEARING_SUPPORT:BOOL=OFF
 
 KF5AUTH_CMAKE_OFF=	-DPERFORM_PAGECACHE_CLEARING_USING_KF5AUTH:BOOL=OFF
 KF5AUTH_USE=		KDE=auth,coreaddons
 
 post-patch:
 	@${REINPLACE_CMD} -e '/--ioengine=/s,libaio,posixaio,' \
 		${WRKSRC}/src/benchmark.cpp
-# XXX: disable pagecache flushing by default to avoid "kf.auth: Tried
-# to start an invalid action: org.jonmagon.kdiskmark.dropcache" error.
-	@${REINPLACE_CMD} -e '908s,true,false,' ${WRKSRC}/src/mainwindow.ui
 
 .include <bsd.port.mk>
diff --git a/benchmarks/kdiskmark/distinfo b/benchmarks/kdiskmark/distinfo
index 0d50c7fc76ae..749f7ea3f562 100644
--- a/benchmarks/kdiskmark/distinfo
+++ b/benchmarks/kdiskmark/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1626939014
-SHA256 (JonMagon-KDiskMark-2.2.1_GH0.tar.gz) = 52a49b983284bca8a11c5238809a29c9967ff7a6d7a0adc5ee76aab00dc82f53
-SIZE (JonMagon-KDiskMark-2.2.1_GH0.tar.gz) = 237361
+TIMESTAMP = 1635697688
+SHA256 (JonMagon-KDiskMark-2.3.0_GH0.tar.gz) = 06d21c2f52f1dc345bd0e3c965756b70327e96775fe9561aea53efe792d736a7
+SIZE (JonMagon-KDiskMark-2.3.0_GH0.tar.gz) = 237727