diff --git a/baselibs.conf b/baselibs.conf
index a9234b9..a3d5930 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1 +1 @@
-libclzma-suse0
+libclzma-suse1
diff --git a/lzma-sdk-shlib.patch b/lzma-sdk-shlib.patch
index 9a4a199..74d077b 100644
--- a/lzma-sdk-shlib.patch
+++ b/lzma-sdk-shlib.patch
@@ -21,9 +21,9 @@ Index: 1/Makefile.am
 +pkgconfigdir = ${libdir}/pkgconfig
 +pkgconfig_DATA = clzma.pc
 +# source list: C/Util/LzmaLib/makefile
-+libclzma_la_SOURCES = C/7zAlloc.c C/7zArcIn.c C/7zBuf2.c C/7zBuf.c C/7zCrc.c C/7zCrcOpt.c C/7zDec.c C/7zFile.c C/7zStream.c C/7zVersion.rc C/Aes.c C/AesOpt.c C/Alloc.c C/Bcj2.c C/Bra86.c C/Bra.c C/BraIA64.c C/CpuArch.c C/Delta.c C/DllSecur.c C/LzFind.c C/Lzma2Dec.c C/Lzma2Enc.c C/Lzma86Dec.c C/Lzma86Enc.c C/LzmaDec.c C/LzmaEnc.c C/LzmaLib.c C/Ppmd7.c C/Ppmd7Dec.c C/Ppmd7Enc.c C/Sha256.c C/Sha256Opt.c C/Sort.c C/Xz.c C/XzCrc64.c C/XzCrc64Opt.c C/XzDec.c C/XzEnc.c C/XzIn.c
-+#ifWIN32#SOURCES += C/Bcj2Enc.c C/LzFindMt.c C/MtCoder.c C/Threads.c
-+libclzma_la_LDFLAGS = -release suse -version-info 0:0:0
++#lzma.dll = C/Alloc.c C/CpuArch.c C/LzFind.c C/LzFindMt.c C/LzFindOpt.c C/LzmaDec.c C/LzmaEnc.c C/LzmaLib.c C/Threads.c
++libclzma_la_SOURCES = C/7zAlloc.c C/7zArcIn.c C/7zBuf.c C/7zBuf2.c C/7zCrc.c C/7zCrcOpt.c C/7zDec.c C/7zFile.c C/7zStream.c C/Aes.c C/AesOpt.c C/Alloc.c C/Bcj2.c C/Bcj2Enc.c C/Bra.c C/Bra86.c C/BraIA64.c C/CpuArch.c C/Delta.c C/DllSecur.c C/LzFind.c C/LzFindMt.c C/LzFindOpt.c C/Lzma2Dec.c C/Lzma2DecMt.c C/Lzma2Enc.c C/Lzma86Dec.c C/Lzma86Enc.c C/LzmaDec.c C/LzmaEnc.c C/LzmaLib.c C/MtCoder.c C/MtDec.c C/Ppmd7.c C/Ppmd7Dec.c C/Ppmd7Enc.c C/Sha256.c C/Sha256Opt.c C/Sort.c C/SwapBytes.c C/Threads.c C/Xz.c C/XzCrc64.c C/XzCrc64Opt.c C/XzDec.c C/XzEnc.c C/XzIn.c
++libclzma_la_LDFLAGS = -release suse -version-info 1:0:0
 +clzmadir = ${includedir}/clzma
 +clzma_HEADERS = C/7zAlloc.h C/7zBuf.h C/7zCrc.h C/7zFile.h C/7z.h C/7zTypes.h C/7zVersion.h C/Aes.h C/Alloc.h C/Bcj2.h C/Bra.h C/Compiler.h C/CpuArch.h C/Delta.h C/DllSecur.h C/LzFind.h C/LzFindMt.h C/LzHash.h C/Lzma2Dec.h C/Lzma2Enc.h C/Lzma86.h C/LzmaDec.h C/LzmaEnc.h C/LzmaLib.h C/MtCoder.h C/Ppmd7.h C/Ppmd.h C/Precomp.h C/RotateDefs.h C/Sha256.h C/Sort.h C/Threads.h C/XzCrc64.h C/XzEnc.h C/Xz.h
 +clzma.pc: ${top_builddir}/config.status
diff --git a/lzma-sdk.spec b/lzma-sdk.spec
index 9899df1..8ef2224 100644
--- a/lzma-sdk.spec
+++ b/lzma-sdk.spec
@@ -27,7 +27,7 @@ Summary:        An implementation of LZMA compression
 License:        LGPL-2.1-only
 Group:          Productivity/Archiving/Compression
 URL:            https://www.7-zip.org/sdk.html
-Source0:        https://www.7-zip.org/a/lzma%{_sver}.7z
+Source0:        https://www.7-zip.org/a/lzma%_sver.7z
 Source1:        lzma-sdk-LICENSE.fedora
 Source2:        baselibs.conf
 Patch1:         lzma-sdk-shlib.patch
@@ -52,50 +52,48 @@ LZMA yields around 20%% better compression when operating at approximately
 zlib's speed, and around 40%% when trading more time.
 
 %package devel
-Summary:        Development libraries and headers for %{name}
+Summary:        Development libraries and headers for %name
 Group:          Development/Languages/C and C++
-Requires:       libclzma-suse0 = %{version}
+Requires:       libclzma-suse1 = %version
 
 %description devel
-This package contains development libraries and headers for %{name}.
+This package contains development libraries and headers for %name.
 
-%package -n libclzma-suse0
+%package -n libclzma-suse1
 Summary:        LZMA stream encoding/decoding library from 7-Zip
 Group:          System/Libraries
 
-%description -n libclzma-suse0
+%description -n libclzma-suse1
 Library for encoding/decoding LZMA streams, using the 7-Zip library
 implementation.
 
 %prep
-%setup -q -c -n lzma%{_sver}
-%patch -P 1 -p1
+%autosetup -c -n lzma%_sver
 perl -i -pe 's{AC_INIT.*}{AC_INIT([lzma-sdk], [%version])}' configure.ac
 dos2unix DOC/*.txt
-install -p -m 0644 %{SOURCE1} .
+install -p -m 0644 %SOURCE1 .
 
 %build
 autoreconf -fi
 %configure
-make %{?_smp_mflags}
+%make_build
 
 %install
 %make_install
 rm -f "%buildroot/%_libdir"/*.la
 
-%post   -n libclzma-suse0 -p /sbin/ldconfig
-%postun -n libclzma-suse0 -p /sbin/ldconfig
+%ldconfig_scriptlets -n libclzma-suse1
 
-%files -n libclzma-suse0
+%files -n libclzma-suse1
 %license lzma-sdk-LICENSE.fedora
 %doc DOC/lzma.txt DOC/lzma-history.txt
-%{_libdir}/libclzma-suse.so.0*
+%_libdir/libclzma-suse.so.*
 
 %files devel
 %license lzma-sdk-LICENSE.fedora
 %doc DOC/7z*.txt DOC/Methods.txt
-%{_includedir}/clzma/
-%{_libdir}/libclzma.so
-%{_libdir}/pkgconfig/clzma.pc
+%_includedir/clzma/
+%_libdir/libclzma.so
+%_libdir/pkgconfig/clzma.pc
 
 %changelog