diff --git a/benchmarks/iperf/Makefile b/benchmarks/iperf/Makefile
index c3945092edde..5d9f07b4e55f 100644
--- a/benchmarks/iperf/Makefile
+++ b/benchmarks/iperf/Makefile
@@ -1,35 +1,35 @@
 # Created by: Pete Fritchman <petef@databits.net>
 
 PORTNAME=	iperf
-DISTVERSION=	2.1.0-rc2
+DISTVERSION=	2.1.1-dev
 CATEGORIES=	benchmarks
 MASTER_SITES=	SF/iperf2 \
-		LOCAL/sunpoet/iperf/20210128
+		LOCAL/sunpoet/iperf/20210228
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Tool to measure maximum TCP and UDP bandwidth
 
 LICENSE=	BSD2CLAUSE
 
 USES=		cpe
 
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	bin/iperf \
 		man/man1/iperf.1.gz
 PORTDOCS=	*
 
 CPE_VENDOR=	iperf_project
 
 OPTIONS_DEFINE=	DOCS IPV6 THREADS
 OPTIONS_DEFAULT=THREADS
 
 IPV6_CONFIGURE_ENABLE=	ipv6
 THREADS_CONFIGURE_ENABLE=	threads
 THREADS_LDFLAGS=	-lpthread
 
 post-install-DOCS-on:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}/
 	cd ${WRKSRC}/ && ${INSTALL_DATA} README doc/*.gif doc/*.html ${STAGEDIR}${DOCSDIR}/
 
 .include <bsd.port.mk>
diff --git a/benchmarks/iperf/distinfo b/benchmarks/iperf/distinfo
index c68294e7c97a..4dc031086197 100644
--- a/benchmarks/iperf/distinfo
+++ b/benchmarks/iperf/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1612101546
-SHA256 (iperf-2.1.0-rc2.tar.gz) = 6232c32890d59b53f098b12963aa49aeea694ea54bde9596c690e8812fa8f6f3
-SIZE (iperf-2.1.0-rc2.tar.gz) = 376433
+TIMESTAMP = 1618319926
+SHA256 (iperf-2.1.1-dev.tar.gz) = 8eeba3073737763d974172711aece061c86367476133b393cb66bc023e8d57c9
+SIZE (iperf-2.1.1-dev.tar.gz) = 378421