diff --git a/audio/ladspa/Makefile b/audio/ladspa/Makefile
index 3c661adc3df4..fd3534947adb 100644
--- a/audio/ladspa/Makefile
+++ b/audio/ladspa/Makefile
@@ -1,40 +1,43 @@
 # Created by: Tilman Linneweh <arved@FreeBSD.org>
 
 PORTNAME=	ladspa
-PORTVERSION=	1.15
+PORTVERSION=	1.17
 CATEGORIES=	audio
 MASTER_SITES=	http://www.ladspa.org/download/
 DISTNAME=	ladspa_sdk_${PORTVERSION}
 
 MAINTAINER=	arved@FreeBSD.org
 COMMENT=	Linux Audio Developer's Simple Plugin API
 
 LICENSE=	LGPL21
 LICENSE_FILE=	${WRKSRC}/doc/COPYING
 
+LIB_DEPENDS=	libsndfile.so:audio/libsndfile
+
 USES=		gmake tar:tgz
 USE_LDCONFIG=	yes
 
 WRKSRC=		${WRKDIR}/ladspa_sdk_${PORTVERSION}
 PROGRAM_FILES=	analyseplugin applyplugin listplugins
 PLUGIN_FILES=	amp.so delay.so filter.so noise.so sine.so
 PLUGIN_DIR?=	${STAGEDIR}${PREFIX}/lib/ladspa/
 ALL_TARGET=	targets
 BUILD_WRKSRC=	${WRKSRC}/src
 
 post-patch:
 	${REINPLACE_CMD} -e 's,-ldl,,; s,-O3,${CFLAGS},; s,-Werror ,,; \
-		s,^CC,#CC,;s,^CPP,#CPP,;s,CPP,CXX,; s,^CXXFLAGS.*=,CXXFLAGS+=,' \
+		s,^CC,#CC,;s,^CPP,#CPP,;s,CPP,CXX,; s,^CXXFLAGS.*=,CXXFLAGS+=,; \
+		s,lsndfile,lsndfile -L${LOCALBASE}/lib,;s,I\.,I. -I${LOCALBASE}/include,' \
 		${WRKSRC}/src/Makefile
 
 do-install:
 	${INSTALL_DATA} ${WRKSRC}/src/ladspa.h ${STAGEDIR}${PREFIX}/include
 .for file in ${PROGRAM_FILES}
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/${file} ${STAGEDIR}${PREFIX}/bin
 .endfor
 	@${MKDIR} ${PLUGIN_DIR}
 .for file in ${PLUGIN_FILES}
 	${INSTALL_LIB} ${WRKSRC}/plugins/${file} ${PLUGIN_DIR}
 .endfor
 
 .include <bsd.port.mk>
diff --git a/audio/ladspa/distinfo b/audio/ladspa/distinfo
index 426f010da005..215fe6664615 100644
--- a/audio/ladspa/distinfo
+++ b/audio/ladspa/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1549915483
-SHA256 (ladspa_sdk_1.15.tgz) = 4229959b09d20c88c8c86f4aa76427843011705df22d9c28b38359fd1829fded
-SIZE (ladspa_sdk_1.15.tgz) = 71179
+TIMESTAMP = 1631475973
+SHA256 (ladspa_sdk_1.17.tgz) = d9d596171d93f9c226fcdb7e27c6f917422ac487efe2c05e0a18094df4268061
+SIZE (ladspa_sdk_1.17.tgz) = 71052