diff --git a/www/uwebsockets/Makefile b/www/uwebsockets/Makefile
index d34f802bf5a3..3e81a060acff 100644
--- a/www/uwebsockets/Makefile
+++ b/www/uwebsockets/Makefile
@@ -1,28 +1,32 @@
 PORTNAME=	uwebsockets
 DISTVERSIONPREFIX=	v
-DISTVERSION=	19.5.0
+DISTVERSION=	19.6.0
 CATEGORIES=	www devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ Web I/O library for the most demanding of applications
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 # libdeflate is optionally needed
 RUN_DEPENDS=	libdeflate>0:archivers/libdeflate \
 		usockets>0:net/usockets
 
-USES=		gmake
+USES=		compiler:c++17-lang gmake
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	uNetworking
 GH_PROJECT=	uWebSockets
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 
 pre-install: # workaround for https://github.com/uNetworking/uWebSockets/issues/1236
-	${MKDIR} ${STAGEDIR}${PREFIX}/include/uWebSockets
+	@${MKDIR} ${STAGEDIR}${PREFIX}/include/uWebSockets
+
+do-test:
+	@cd ${WRKSRC}/tests && \
+		${SETENV} ${MAKE_ENV} ${MAKE_CMD}
 
 .include <bsd.port.mk>
diff --git a/www/uwebsockets/distinfo b/www/uwebsockets/distinfo
index bc00115b4b95..74e622cdce6c 100644
--- a/www/uwebsockets/distinfo
+++ b/www/uwebsockets/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1630859758
-SHA256 (uNetworking-uWebSockets-v19.5.0_GH0.tar.gz) = f672e7a11ccd4ec17792f498ed2a8fb71f3476c7b364e8b06c7cc8f2fb109ecb
-SIZE (uNetworking-uWebSockets-v19.5.0_GH0.tar.gz) = 296625
+TIMESTAMP = 1631749933
+SHA256 (uNetworking-uWebSockets-v19.6.0_GH0.tar.gz) = f6439d85ca4e394488ed26de302e10894e5ce67683838c6095094fb5f9de0b9e
+SIZE (uNetworking-uWebSockets-v19.6.0_GH0.tar.gz) = 297602