diff --git a/devel/bacnet-stack/Makefile b/devel/bacnet-stack/Makefile
index af3cf2656e8d..ff4d79925fbc 100644
--- a/devel/bacnet-stack/Makefile
+++ b/devel/bacnet-stack/Makefile
@@ -1,19 +1,19 @@
 PORTNAME=	bacnet-stack
-PORTVERSION=	1.3.5
+PORTVERSION=	1.4.0
 CATEGORIES=	devel
 
 MAINTAINER=	acm@FreeBSD.org
 COMMENT=	open source protocol stack for embedded systems
 WWW=		https://github.com/bacnet-stack/bacnet-stack
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/license/readme.txt
 
 USES=		cmake compiler:c++11-lang
 USE_GITHUB=	yes
 GH_ACCOUNT=	bacnet-stack
 GH_TAGNAME=	8a0a01c
 
 LDFLAGS=	-lm
 
 .include <bsd.port.mk>
diff --git a/devel/bacnet-stack/distinfo b/devel/bacnet-stack/distinfo
index 76375d662a84..358eb00ac59f 100644
--- a/devel/bacnet-stack/distinfo
+++ b/devel/bacnet-stack/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1713934346
-SHA256 (bacnet-stack-bacnet-stack-1.3.5-8a0a01c_GH0.tar.gz) = 12bb1b2d8aaa9ee2fbc7f2a703870d1fce6eee6e7ce9774b4822c34afa202fa4
-SIZE (bacnet-stack-bacnet-stack-1.3.5-8a0a01c_GH0.tar.gz) = 8045059
+TIMESTAMP = 1734773553
+SHA256 (bacnet-stack-bacnet-stack-1.4.0-8a0a01c_GH0.tar.gz) = 12bb1b2d8aaa9ee2fbc7f2a703870d1fce6eee6e7ce9774b4822c34afa202fa4
+SIZE (bacnet-stack-bacnet-stack-1.4.0-8a0a01c_GH0.tar.gz) = 8045059