diff --git a/misc/ncnn/Makefile b/misc/ncnn/Makefile
index d52790137b2d..2a28aafccfe8 100644
--- a/misc/ncnn/Makefile
+++ b/misc/ncnn/Makefile
@@ -1,36 +1,35 @@
 PORTNAME=	ncnn
-DISTVERSION=	20220729
-PORTREVISION=	2
+DISTVERSION=	20230517
 CATEGORIES=	misc # machine-learning
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	High-performance neural network inference framework
 WWW=		https://github.com/Tencent/ncnn
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 LIB_DEPENDS=	libprotobuf.so:devel/protobuf
 
-USES=		cmake:testing
+USES=		cmake:testing # 2 tests fail, see https://github.com/Tencent/ncnn/issues/4742
 .if !exists(/usr/include/omp.h)
 CMAKE_OFF=	NCNN_OPENMP
 .endif
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Tencent
 
 #CMAKE_ON=		NCNN_SHARED_LIB NCNN_ENABLE_LTO # NCNN_SHARED_LIB=ON causes variability in the shared library name, see https://github.com/Tencent/ncnn/issues/4234
 CMAKE_TESTING_ON=	NCNN_BUILD_TESTS # in order to run tests please disable NCNN_SHARED_LIB above; many tests fail, see https://github.com/Tencent/ncnn/issues/4233
 
 OPTIONS_DEFINE=		VULKAN
 OPTIONS_DEFAULT=	VULKAN
 
 VULKAN_DESC=		Vulkan compute support
-VULKAN_GH_TUPLE=	KhronosGroup:glslang:11.9.0-19-g86ff4bca:glslang/glslang
+VULKAN_GH_TUPLE=	KhronosGroup:glslang:88fd417:glslang/glslang
 VULKAN_BUILD_DEPENDS=	${LOCALBASE}/include/vulkan/vulkan.h:graphics/vulkan-headers
 VULKAN_LIB_DEPENDS=	libvulkan.so:graphics/vulkan-loader
 VULKAN_CMAKE_BOOL=	NCNN_VULKAN
 
 .include <bsd.port.mk>
diff --git a/misc/ncnn/distinfo b/misc/ncnn/distinfo
index 002a78cd91cb..082c729008ab 100644
--- a/misc/ncnn/distinfo
+++ b/misc/ncnn/distinfo
@@ -1,5 +1,5 @@
-TIMESTAMP = 1664765781
-SHA256 (Tencent-ncnn-20220729_GH0.tar.gz) = fa337dce2db3aea82749633322c3572490a86d6f2e144e53aba03480f651991f
-SIZE (Tencent-ncnn-20220729_GH0.tar.gz) = 12235306
-SHA256 (KhronosGroup-glslang-11.9.0-19-g86ff4bca_GH0.tar.gz) = f7a19b57af200feeba77a5cc010fc031ba47c32287cb1438440ad32628fb798a
-SIZE (KhronosGroup-glslang-11.9.0-19-g86ff4bca_GH0.tar.gz) = 3535721
+TIMESTAMP = 1684712023
+SHA256 (Tencent-ncnn-20230517_GH0.tar.gz) = 71c1960e5fbbe68d2c3cf572cbf4dd08bb387ef20d2c560c074c5969c6b44bde
+SIZE (Tencent-ncnn-20230517_GH0.tar.gz) = 12569535
+SHA256 (KhronosGroup-glslang-88fd417_GH0.tar.gz) = 7349344acf4ce49e0c0b7f2555e0165a6bd538cc927adece7c81571ce350e487
+SIZE (KhronosGroup-glslang-88fd417_GH0.tar.gz) = 3656236