diff --git a/math/fastops/Makefile b/math/fastops/Makefile
index 7a596ccee258..f9526dcc5fe7 100644
--- a/math/fastops/Makefile
+++ b/math/fastops/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	fastops
 PORTVERSION=	1.0.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	math
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	AVX/AVX2-accelerated bulk call of math functions
 WWW=		https://github.com/yandex/fastops
 
 LICENSE=	MIT
 
 ONLY_FOR_ARCHS=	amd64
 ONLY_FOR_ARCHS_REASON=	uses AVX and AVX2 instructions
 
 USES=		cmake compiler:c++17-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	yandex
+CMAKE_ARGS=	-DCMAKE_POLICY_VERSION_MINIMUM=3.5
 
 do-test:
 	${TEST_WRKSRC}/${PORTNAME}/ut/${PORTNAME}_test
 
 post-stage:
 # Rename generically-named binaries to avoid potential clashes
 .for p in benchmark eval
 	${MV} ${STAGEDIR}${PREFIX}/bin/${p} \
 		${STAGEDIR}${PREFIX}/bin/${PORTNAME}_${p}
 .endfor
 # Remove the test program (we run tests, but not install them)
 	${RM} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}_test
 
 .include <bsd.port.mk>