diff --git a/devel/mimalloc/Makefile b/devel/mimalloc/Makefile
index ed13b19c095b..80b7a6a868ab 100644
--- a/devel/mimalloc/Makefile
+++ b/devel/mimalloc/Makefile
@@ -1,31 +1,31 @@
 PORTNAME=	mimalloc
 DISTVERSIONPREFIX=	v
-DISTVERSION=	3.4.4
+DISTVERSION=	3.4.5
 CATEGORIES=	devel
 MASTER_SITES=	https://github.com/microsoft/${PORTNAME}/releases/download/v${DISTVERSION}/
 DISTNAME=	${PORTNAME}-v${DISTVERSION}-source
 
 MAINTAINER=	ehaupt@FreeBSD.org
 COMMENT=	General-purpose allocator with excellent performance characteristics
 WWW=		https://github.com/microsoft/mimalloc
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		cmake:testing compiler:c++17-lang pathfix
 USE_LDCONFIG=	yes
 
 EXTRACT_AFTER_ARGS=	--strip-components 1 --no-same-permission --no-same-owner
 NO_WRKSUBDIR=	yes
 
 CMAKE_ON=	MI_INSTALL_TOPLEVEL
 CMAKE_OFF=	MI_BUILD_OBJECT MI_BUILD_TESTS
 
 CMAKE_TESTING_ON=	MI_BUILD_TESTS
 
 # ci pipeline creates transient tags
 PORTSCOUT=	ignore:1
 
 PLIST_SUB=	MIMALLOC_LIBVER=${DISTVERSION:R}
 
 .include <bsd.port.mk>
diff --git a/devel/mimalloc/distinfo b/devel/mimalloc/distinfo
index 1ec85353cf1a..4b79ba638c1a 100644
--- a/devel/mimalloc/distinfo
+++ b/devel/mimalloc/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1785735606
-SHA256 (mimalloc-v3.4.4-source.tar.gz) = 1951f8420740b3128b321d88f76c3a9f116f67a4626e23afd3246fe146b4e097
-SIZE (mimalloc-v3.4.4-source.tar.gz) = 1423110
+TIMESTAMP = 1786022185
+SHA256 (mimalloc-v3.4.5-source.tar.gz) = 9dcf555e6a4aa0b50064cd50abf8936caa0fca874c5e51fcafd12aae4beaf074
+SIZE (mimalloc-v3.4.5-source.tar.gz) = 1424644