diff --git a/.gitignore b/.gitignore
index b5d568f..122fa68 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 ladspa_sdk_1.13.tgz
 /ladspa_sdk_1.15.tgz
+/ladspa_sdk_1.17.tgz
diff --git a/ladspa-1.15.patch b/ladspa-1.15.patch
deleted file mode 100644
index ed57c04..0000000
--- a/ladspa-1.15.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff -ru ladspa_sdk_1.15/src/Makefile ladspa_sdk_1.15.new/src/Makefile
---- ladspa_sdk_1.15/src/Makefile	2019-01-06 13:27:52.000000000 +0100
-+++ ladspa_sdk_1.15.new/src/Makefile	2020-04-16 11:53:02.059458285 +0200
-@@ -15,8 +15,7 @@
- 
- INCLUDES	=	-I.
- LIBRARIES	=	-ldl -lm
--CFLAGS		=	$(INCLUDES) -Wall -Werror -O2 -fPIC 		\
--			-DDEFAULT_LADSPA_PATH=$(INSTALL_PLUGINS_DIR)
-+CFLAGS		=	$(INCLUDES) -Wall -Werror -O2 -fPIC
- BINFLAGS	=	-fPIE -pie
- CXXFLAGS	=	$(CFLAGS)
- PLUGINS		=	../plugins/amp.so				\
diff --git a/ladspa-1.17.patch b/ladspa-1.17.patch
new file mode 100644
index 0000000..96bf21b
--- /dev/null
+++ b/ladspa-1.17.patch
@@ -0,0 +1,13 @@
+--- ./src/Makefile.0001	2023-10-21 16:00:40.560156632 +0100
++++ ./src/Makefile	2023-10-21 16:02:21.463841775 +0100
+@@ -15,9 +15,8 @@ INSTALL_BINARY_DIR	=	/usr/bin/
+ 
+ INCLUDES	=	-I.
+ LIBRARIES	=	-ldl -lm -lsndfile
+-CFLAGS		=	$(INCLUDES) -Wall -Werror -O2 -fPIC 		\
+-			-DDEFAULT_LADSPA_PATH=$(INSTALL_PLUGINS_DIR)
+ BINFLAGS	=	-fPIE -pie
++CFLAGS		=	$(INCLUDES) -Wall -Werror -O2 -fPIC
+ CXXFLAGS	=	$(CFLAGS)
+ PLUGINS		=	../plugins/amp.so				\
+ 			../plugins/delay.so				\
diff --git a/ladspa.spec b/ladspa.spec
index 3a06e31..552c688 100644
--- a/ladspa.spec
+++ b/ladspa.spec
@@ -1,5 +1,5 @@
 Name:           ladspa
-Version:        1.15
+Version:        1.17
 Release:        1%{?dist}
 
 Summary:        Linux Audio Developer's Simple Plug-in API, examples and tools
@@ -7,12 +7,13 @@ Summary:        Linux Audio Developer's Simple Plug-in API, examples and tools
 License:        LGPLv2+
 URL:            http://www.ladspa.org/
 Source:         http://www.ladspa.org/download/%{name}_sdk_%{version}.tgz
-Patch1:         ladspa-1.15.patch
+Patch1:         ladspa-1.17.patch
 
 
 BuildRequires:  perl-interpreter
 BuildRequires:  gcc-c++
-BuildRequires: make
+BuildRequires:  make
+BuildRequires:  pkgconfig(sndfile)
 
 %description
 There is a large number of synthesis packages in use or development on
@@ -37,7 +38,7 @@ header file.
 
 %prep
 %setup -q -n ladspa_sdk_%{version}
-%patch1 -p1 -b .0001
+%patch -P1 -p1 -b .0001
 # respect RPM_OPT_FLAGS
 perl -pi -e 's/^(CFLAGS.*)-O2(.*)/$1\$\(RPM_OPT_FLAGS\)$2 -DDEFAULT_LADSPA_PATH=\$\(PLUGINDIR\)/' src/Makefile
 
@@ -63,8 +64,6 @@ PLUGINDIR=%{_libdir}/ladspa make targets %{?_smp_mflags} LD="ld --build-id"
 
 
 %install
-rm -rf $RPM_BUILD_ROOT
-
 cd src
 %make_install \
   INSTALL_PLUGINS_DIR=$RPM_BUILD_ROOT%{_libdir}/ladspa \
@@ -91,8 +90,9 @@ mkdir -p $RPM_BUILD_ROOT%{_datadir}/ladspa/rdf
 
 
 %changelog
-* Sun Jan 14 2024  Wim Taymans <wtaymans@fedoraproject.org> - 1.15-1
-- Update to 1.15
+* Sun Jan 14 2024 Sérgio Basto <sergio@serjux.com> - 1.17-1
+- Update to 1.15 Wim Taymans <wtaymans@fedoraproject.org>
+- Update to 1.17
 
 * Thu Jul 20 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1.13-31
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild
diff --git a/sources b/sources
index 3d4b0fc..dc82366 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ladspa_sdk_1.15.tgz) = a521622e23d988284244003e4ccfc3b42f6ddc7944cb00e7949b87e09d7f39a0cbb64b6d8b5a5af0a5ccf7179f88815416a88f02d3912957167e54b74accfc65
+SHA512 (ladspa_sdk_1.17.tgz) = c096e70d245c50ffad379f2c9aab2735c205dfe7c27b5710cad6e43b39f8accc7b8bd2cd7ebbea2c399ad76018b3d4c701ed271de552d098b12ab218a58f0497