diff --git a/graphics/glslang/Makefile b/graphics/glslang/Makefile
index aa89be96cc73..56192f05997c 100644
--- a/graphics/glslang/Makefile
+++ b/graphics/glslang/Makefile
@@ -1,26 +1,28 @@
 PORTNAME=	glslang
 DISTVERSION=	16.0.0
 CATEGORIES=	graphics
 
 MAINTAINER=	tagattie@FreeBSD.org
 COMMENT=	OpenGL and OpenGL ES shader front end and validator
 WWW=		https://www.khronos.org/opengles/sdk/tools/Reference-Compiler/ \
 		https://github.com/KhronosGroup/glslang
 
 LICENSE=	APACHE20 BSD2CLAUSE BSD3CLAUSE GPLv3+ MIT
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	spirv-tools>=2024.4.r2:graphics/spirv-tools
 RUN_DEPENDS=	spirv-tools>0:graphics/spirv-tools
 TEST_DEPENDS=	bash:shells/bash \
 		gmake:devel/gmake
 
 USES=		cmake:testing compiler:c++11-lib python:build
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	KhronosGroup
 
 CMAKE_ON=	ALLOW_EXTERNAL_SPIRV_TOOLS
 
+PORTSCOUT=	limit:^[0-9]+\.	# avoid tags like sdk-candidate-26-jul-2020
+
 .include <bsd.port.mk>