diff --git a/graphics/glslang/Makefile b/graphics/glslang/Makefile
index 7be73f16401d..b77520a5cc65 100644
--- a/graphics/glslang/Makefile
+++ b/graphics/glslang/Makefile
@@ -1,17 +1,21 @@
 PORTNAME=	glslang
-DISTVERSION=	13.0.0
+DISTVERSION=	13.1.0
 CATEGORIES=	graphics
 
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES+=	eac012fff3a7.patch:-p1 # https://github.com/KhronosGroup/glslang/pull/3406
+
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	OpenGL and OpenGL ES shader front end and validator
 WWW=		https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/
 
 LICENSE=	APACHE20 BSD2CLAUSE BSD3CLAUSE GPLv3+ MIT
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 USES=		cmake:testing compiler:c++11-lib python:build
 USE_GITHUB=	yes
 GH_ACCOUNT=	KhronosGroup
+CMAKE_ON=	ALLOW_EXTERNAL_SPIRV_TOOLS
 
 .include <bsd.port.mk>
diff --git a/graphics/glslang/distinfo b/graphics/glslang/distinfo
index 2d891ad38d1c..bfea1d3dc201 100644
--- a/graphics/glslang/distinfo
+++ b/graphics/glslang/distinfo
@@ -1,3 +1,5 @@
-TIMESTAMP = 1692833065
-SHA256 (KhronosGroup-glslang-13.0.0_GH0.tar.gz) = bcda732434f829aa74414ea0e06d329ec8ac28637c38a0de45e17c8fd25a4715
-SIZE (KhronosGroup-glslang-13.0.0_GH0.tar.gz) = 3710806
+TIMESTAMP = 1697321367
+SHA256 (KhronosGroup-glslang-13.1.0_GH0.tar.gz) = 926808f4bf129264a1b7d969978881ec041bb902ad49a180ba74270df7178494
+SIZE (KhronosGroup-glslang-13.1.0_GH0.tar.gz) = 3763153
+SHA256 (eac012fff3a7.patch) = 143ef7a612da3a380fc689eb72813f34bdda0235f706c0a592daf55044eb46d2
+SIZE (eac012fff3a7.patch) = 2240