diff --git a/www/libdatachannel/Makefile b/www/libdatachannel/Makefile
index 1b5181c77221..cef89af6e2ef 100644
--- a/www/libdatachannel/Makefile
+++ b/www/libdatachannel/Makefile
@@ -1,33 +1,33 @@
 PORTNAME=	libdatachannel
 DISTVERSIONPREFIX=	v
-DISTVERSION=	0.15.3
+DISTVERSION=	0.15.6
 CATEGORIES=	www
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	WebRTC Data Channels, WebRTC Media Transport, and WebSockets library
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libsrtp2.so:net/libsrtp2
 
 USES=		cmake compiler:c++17-lang ssl
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	paullouisageneau
 GH_TUPLE=	\
 		SergiusTheBest:plog:d8461e9:plog/deps/plog \
 		sctplab:usrsctp:7c31bd3:usrsctp/deps/usrsctp \
 		paullouisageneau:libjuice:328206b:libjuice/deps/libjuice \
 		nlohmann:json:973c52d:json/deps/json \
 		cisco:libsrtp:90d05bf:libsrtp/deps/libsrtp
 
 CMAKE_ON=	USE_SYSTEM_SRTP NO_EXAMPLES NO_TESTS
 
 do-test: # tests require dual stack to be enabled with 'sysctl net.inet6.ip6.v6only=0', at least one test is known to fail
 	@cd ${BUILD_WRKSRC} && \
 		${SETENV} ${CONFIGURE_ENV} ${CMAKE_BIN} ${CMAKE_ARGS} -DNO_TESTS:BOOL=OFF ${CMAKE_SOURCE_PATH} && \
 		${SETENV} ${MAKE_ENV} ${MAKE_CMD} ${MAKE_ARGS} ${ALL_TARGET} && \
 		./tests-${DISTVERSION:C/-.*//}
 
 .include <bsd.port.mk>
diff --git a/www/libdatachannel/distinfo b/www/libdatachannel/distinfo
index 6bfee9dd8e16..94f1fca21516 100644
--- a/www/libdatachannel/distinfo
+++ b/www/libdatachannel/distinfo
@@ -1,13 +1,13 @@
-TIMESTAMP = 1633964837
-SHA256 (paullouisageneau-libdatachannel-v0.15.3_GH0.tar.gz) = 9f801abe7c6c6cb3dc62d0f012c94296d24449e53cdedab579cfba435eea639a
-SIZE (paullouisageneau-libdatachannel-v0.15.3_GH0.tar.gz) = 52564011
+TIMESTAMP = 1638812671
+SHA256 (paullouisageneau-libdatachannel-v0.15.6_GH0.tar.gz) = bd86396175e79ee25ff44f798e5c0e257cb1baf6a122cd4c00a083af994d4977
+SIZE (paullouisageneau-libdatachannel-v0.15.6_GH0.tar.gz) = 52564736
 SHA256 (SergiusTheBest-plog-d8461e9_GH0.tar.gz) = 2d30536bc920fc44e6ec90f60244afe9249c79bc618574f7d3e78fbcd1a51ec8
 SIZE (SergiusTheBest-plog-d8461e9_GH0.tar.gz) = 44215
 SHA256 (sctplab-usrsctp-7c31bd3_GH0.tar.gz) = c2ffd52579a7927e84e4c957e74acf34114106d5c38f7ebad72718710c4cf4b5
 SIZE (sctplab-usrsctp-7c31bd3_GH0.tar.gz) = 773251
 SHA256 (paullouisageneau-libjuice-328206b_GH0.tar.gz) = b0056f24a96756fbe74c13549a0ae8f23966346d1a37770247cf25ea460fbde8
 SIZE (paullouisageneau-libjuice-328206b_GH0.tar.gz) = 87253
 SHA256 (nlohmann-json-973c52d_GH0.tar.gz) = cd8ec6d071db0dba7b7d2eb107747deb3921aa5b4e0423df39388843937907b5
 SIZE (nlohmann-json-973c52d_GH0.tar.gz) = 119021919
 SHA256 (cisco-libsrtp-90d05bf_GH0.tar.gz) = e59891ff9e5b49c8e57c3392b1666ec81587910750b228d9cd368b1804376b6f
 SIZE (cisco-libsrtp-90d05bf_GH0.tar.gz) = 631541
diff --git a/www/libdatachannel/pkg-plist b/www/libdatachannel/pkg-plist
index 9453b101baa9..a0458de76052 100644
--- a/www/libdatachannel/pkg-plist
+++ b/www/libdatachannel/pkg-plist
@@ -1,37 +1,37 @@
 include/rtc/candidate.hpp
 include/rtc/channel.hpp
 include/rtc/common.hpp
 include/rtc/configuration.hpp
 include/rtc/datachannel.hpp
 include/rtc/description.hpp
 include/rtc/global.hpp
 include/rtc/h264packetizationhandler.hpp
 include/rtc/h264rtppacketizer.hpp
 include/rtc/mediachainablehandler.hpp
 include/rtc/mediahandler.hpp
 include/rtc/mediahandlerelement.hpp
 include/rtc/mediahandlerrootelement.hpp
 include/rtc/message.hpp
 include/rtc/nalunit.hpp
 include/rtc/opuspacketizationhandler.hpp
 include/rtc/opusrtppacketizer.hpp
 include/rtc/peerconnection.hpp
 include/rtc/reliability.hpp
 include/rtc/rtc.h
 include/rtc/rtc.hpp
 include/rtc/rtcpnackresponder.hpp
 include/rtc/rtcpreceivingsession.hpp
 include/rtc/rtcpsrreporter.hpp
 include/rtc/rtp.hpp
 include/rtc/rtppacketizationconfig.hpp
 include/rtc/rtppacketizer.hpp
 include/rtc/track.hpp
 include/rtc/utils.hpp
 include/rtc/websocket.hpp
 include/rtc/websocketserver.hpp
 lib/cmake/LibDataChannel/LibDataChannelConfig.cmake
 lib/cmake/LibDataChannel/LibDataChannelConfigVersion.cmake
 lib/cmake/LibDataChannel/LibDataChannelTargets-%%CMAKE_BUILD_TYPE%%.cmake
 lib/cmake/LibDataChannel/LibDataChannelTargets.cmake
 lib/libdatachannel.so
-lib/libdatachannel.so.0.15.3
+lib/libdatachannel.so.0.15.6