diff --git a/www/srt/Makefile b/www/srt/Makefile
index 654cd6ef9663..25e59db6eb62 100644
--- a/www/srt/Makefile
+++ b/www/srt/Makefile
@@ -1,54 +1,55 @@
 PORTNAME=	srt
 DISTVERSIONPREFIX=	v
-DISTVERSION=	1.5.5
-PORTREVISION=	1
+DISTVERSION=	1.5.6
 CATEGORIES=	www
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Secure Reliable Transport (SRT) Protocol
 WWW=		https://www.srtalliance.org/
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 TEST_DEPENDS=	googletest>=0:devel/googletest
 
 USES=		cmake:testing compiler:c++17-lang pathfix shebangfix
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Haivision
 
 SHEBANG_FILES=	scripts/srt-ffplay
 
 CMAKE_TESTING_ON=	ENABLE_TESTING \
 			ENABLE_UNITTESTS
 CMAKE_TESTING_JOBS=	1
 
 CMAKE_ON=		ENABLE_SHOW_PROJECT_CONFIG
 CMAKE_OFF=		CMAKE_CXX_EXTENSIONS \
 			ENABLE_STATIC
 .if defined(WITH_DEBUG)
 CMAKE_ON+=		ENABLE_DEBUG
 .endif
 .if make(test)
 CMAKE_ARGS=		-DUSE_CXX_STD=c++17
 .endif
 
 OPTIONS_RADIO=		CRYPTO
 OPTIONS_RADIO_CRYPTO=	GNUTLS OPENSSL
 OPTIONS_DEFINE=		OPENSSL SRTFFPLAY
 OPTIONS_DEFAULT=	OPENSSL SRTFFPLAY
 OPTIONS_SUB=		yes
 
 SRTFFPLAY_DESC=		Install the srt-ffplay script
 
 GNUTLS_LIB_DEPENDS=	libgnutls.so:security/gnutls \
 			libnettle.so:security/nettle
 GNUTLS_CMAKE_ON=	-DUSE_ENCLIB=gnutls
 
 OPENSSL_USES=		ssl
 OPENSSL_CMAKE_ON=	-DUSE_ENCLIB=openssl
 
 SRTFFPLAY_RUN_DEPENDS=	bash:shells/bash
 
+# tests as of 1.5.6: 99% tests passed, 1 tests failed out of 263
+
 .include <bsd.port.mk>
diff --git a/www/srt/distinfo b/www/srt/distinfo
index be2ad5839359..1de02063938b 100644
--- a/www/srt/distinfo
+++ b/www/srt/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1779014403
-SHA256 (Haivision-srt-v1.5.5_GH0.tar.gz) = c3518bc43a71b5289032395b2db4c3e09e73d78b54247d56c14553a503b491cf
-SIZE (Haivision-srt-v1.5.5_GH0.tar.gz) = 1776410
+TIMESTAMP = 1784613142
+SHA256 (Haivision-srt-v1.5.6_GH0.tar.gz) = 2c4980c2c4cfd142d21b829d939dc51db9c6628af5967fff62fd7290769569c7
+SIZE (Haivision-srt-v1.5.6_GH0.tar.gz) = 1785147
diff --git a/www/srt/pkg-plist b/www/srt/pkg-plist
index 706ad56305c4..508081aeadfa 100644
--- a/www/srt/pkg-plist
+++ b/www/srt/pkg-plist
@@ -1,15 +1,15 @@
 %%SRTFFPLAY%%bin/srt-ffplay
 bin/srt-file-transmit
 bin/srt-live-transmit
 bin/srt-tunnel
 include/srt/access_control.h
 include/srt/logging_api.h
 include/srt/platform_sys.h
 include/srt/srt.h
 include/srt/udt.h
 include/srt/version.h
 lib/libsrt.so
 lib/libsrt.so.1.5
-lib/libsrt.so.1.5.5
+lib/libsrt.so.1.5.6
 libdata/pkgconfig/haisrt.pc
 libdata/pkgconfig/srt.pc