diff --git a/security/sshguard/Makefile b/security/sshguard/Makefile
index c3d163ba6cab..e5e4bc0e6693 100644
--- a/security/sshguard/Makefile
+++ b/security/sshguard/Makefile
@@ -1,29 +1,32 @@
 PORTNAME=	sshguard
 PORTVERSION=	2.4.3
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	security
 MASTER_SITES=	SF/sshguard/sshguard/${PORTVERSION}
 
 MAINTAINER=	kevinz5000@gmail.com
 COMMENT=	Protect hosts from brute-force attacks against SSH and other services
 WWW=		https://www.sshguard.net/
 
 LICENSE=	BSD2CLAUSE
 
+USES=		autoreconf
+
 USE_RC_SUBR=	sshguard
 
 GNU_CONFIGURE=	yes
 SUB_FILES=	pkg-message
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|%PREFIX%|${PREFIX}|' \
 		${WRKSRC}/doc/sshguard.8.rst
 	@${REINPLACE_CMD} -e 's|/usr/local|${PREFIX}|' \
 		${WRKSRC}/examples/sshguard.conf.sample
 
 post-install:
 	${MKDIR} ${STAGEDIR}${PREFIX}/etc
 	${INSTALL_DATA} ${WRKSRC}/examples/sshguard.conf.sample \
 		${STAGEDIR}${PREFIX}/etc
 
 .include <bsd.port.mk>
diff --git a/security/sshguard/files/patch-configure.ac b/security/sshguard/files/patch-configure.ac
new file mode 100644
index 000000000000..5ca3f46d889b
--- /dev/null
+++ b/security/sshguard/files/patch-configure.ac
@@ -0,0 +1,11 @@
+--- configure.ac.orig	2023-06-28 19:03:42 UTC
++++ configure.ac
+@@ -21,7 +21,7 @@ AM_PROG_LEX
+ AS_BOX([Headers, Types, and Compiler Checks])
+ AC_CHECK_HEADERS([getopt.h])
+ 
+-AC_CHECK_HEADERS([capsicum_helpers.h libcasper.h], capsicum_found=candidate)
++AC_CHECK_HEADERS([casper/cap_net.h], capsicum_found=candidate)
+ AS_IF([test "$capsicum_found" == "candidate"],
+       [AC_SEARCH_LIBS([cap_init], [casper], [capsicum_found=yes])]
+       [AC_SEARCH_LIBS([cap_getaddrinfo], [cap_net], [capsicum_found=yes])])