diff --git a/baselibs.conf b/baselibs.conf
index 752eb69..e0b5a3a 100644
--- a/baselibs.conf
+++ b/baselibs.conf
@@ -1,4 +1,4 @@
-libunistring2
+libunistring5
 libunistring-devel
   requires -libunistring-<targettype>
-  requires "libunistring2-<targettype> = <version>"
+  requires "libunistring5-<targettype> = <version>"
diff --git a/libunistring-1.0.tar.xz b/libunistring-1.0.tar.xz
deleted file mode 100644
index 60db5b6..0000000
--- a/libunistring-1.0.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5bab55b49f75d77ed26b257997e919b693f29fd4a1bc22e0e6e024c246c72741
-size 2367800
diff --git a/libunistring-1.0.tar.xz.sig b/libunistring-1.0.tar.xz.sig
deleted file mode 100644
index 0aca1c6..0000000
--- a/libunistring-1.0.tar.xz.sig
+++ /dev/null
@@ -1,16 +0,0 @@
------BEGIN PGP SIGNATURE-----
-
-iQIzBAABCgAdFiEEkAG4WvnhuD3xvalC9b6LJnxqQG0FAmHUsJAACgkQ9b6LJnxq
-QG3NYw//bDHlnkKnS3vFanqWmQ9YB3VrnSdGFo0H65sH/mm4hN/6H1SuAJAz60h/
-Ot/gSdOHjPdL7N46c95PmUxunJGEPTEnneo/oeLhNpJ9bmthEo2qGmWLN2lQZmpq
-Na7SZhG1YkQ3Ki3C1GE02oP6GB3GxbHrH353anl2q8xrHkrhlYwh6m32Wx5RmZO1
-ue8yqZgkZBzfhQ3AK8P455oShe91SwtRT6ovsML++Bq2Msco9TVsnwWI38eiAEs5
-xFlA3MZ6oBDSMWtq7yZzJqenqTSWvH73mtCZbwySp1AvmZTlkcg7kLVIsSvh9z/C
-MrFWmG0D+oJ9Oz2QJAmmIDt5HfZE0UMFvMf7OratRiSXFgDp3AXR4YA4rW4DZw6F
-+WgURScYuUQyCNj5G8xw8xbQmR3bslFfaINP7GPVv9ljQaAA6NY+FH9FpnhC3Ex7
-Un8o4dagLYilUHnMHKG6mbbD5yWsbOUZuba8gjro0kHdRajJJNwPiAzmeAkHWSw9
-kyokKPhe4nDwO5n4mPX6n1d1wOev5Zkn/UeoiaAzLCCZXoUNDXjD19dUuxF9g1YB
-d81YSgK4xl4hc8CmAKccuKBObFjW2Xm2kFFxXdLC50ZRSElrtdlkX9npe49MDshf
-JCfmGaiBRAHtus4/t4RS03PVGaEPrwasvA4rEwmCjIPgXQH7Hhs=
-=O3w4
------END PGP SIGNATURE-----
diff --git a/libunistring-1.1.tar.xz b/libunistring-1.1.tar.xz
new file mode 100644
index 0000000..1a9e146
--- /dev/null
+++ b/libunistring-1.1.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:827c1eb9cb6e7c738b171745dac0888aa58c5924df2e59239318383de0729b98
+size 2397676
diff --git a/libunistring-1.1.tar.xz.sig b/libunistring-1.1.tar.xz.sig
new file mode 100644
index 0000000..ac595f1
--- /dev/null
+++ b/libunistring-1.1.tar.xz.sig
@@ -0,0 +1,16 @@
+-----BEGIN PGP SIGNATURE-----
+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+=M5rf
+-----END PGP SIGNATURE-----
diff --git a/libunistring.changes b/libunistring.changes
index 560a49a..693d773 100644
--- a/libunistring.changes
+++ b/libunistring.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Tue Oct 25 18:05:30 UTC 2022 - Andreas Stieger <andreas.stieger@gmx.de>
+
+- Update to 1.1:
+  * The data tables and algorithms have been updated to Unicode
+    version 15.0.0.
+
 -------------------------------------------------------------------
 Sat Apr  9 12:47:37 UTC 2022 - Andreas Stieger <andreas.stieger@gmx.de>
 
diff --git a/libunistring.spec b/libunistring.spec
index 7739a40..4bc5af0 100644
--- a/libunistring.spec
+++ b/libunistring.spec
@@ -16,9 +16,9 @@
 #
 
 
-%define lname	libunistring2
+%define sover	5
 Name:           libunistring
-Version:        1.0
+Version:        1.1
 Release:        0
 Summary:        GNU Unicode string library
 License:        GPL-2.0-or-later OR LGPL-3.0-or-later
@@ -39,17 +39,17 @@ case folding and regular expressions).
 %package devel
 Summary:        Development files for the GNU Unicode string library
 Group:          Development/Libraries/C and C++
-Requires:       %{lname} = %{version}
+Requires:       %{name}%{sover} = %{version}
 
 %description devel
 Development files for programs using libunistring and documentation
 for UniString library.
 
-%package -n %{lname}
+%package -n %{name}%{sover}
 Summary:        GNU Unicode string library
 Group:          System/Libraries
 
-%description -n %{lname}
+%description -n %{name}%{sover}
 This portable C library implements Unicode string types in three flavours:
 (UTF-8, UTF-16, UTF-32), together with functions for character processing
 (names, classifications, properties) and functions for string processing
@@ -64,7 +64,7 @@ case folding and regular expressions).
 %make_build
 
 %install
-make DESTDIR=%{buildroot} INSTALL="install -p" install
+%make_install
 cp AUTHORS NEWS README HACKING DEPENDENCIES THANKS ChangeLog %{buildroot}/%{_docdir}/%{name}
 rm -f %{buildroot}/%{_infodir}/dir
 rm -f %{buildroot}/%{_libdir}/libunistring.la
@@ -80,9 +80,9 @@ sed -i 's:50000:50:g' tests/test-malloca.c
 %make_build check #
 %endif
 
-%files -n %{lname}
+%files -n %{name}%{sover}
 %license COPYING*
-%{_libdir}/libunistring.so.2*
+%{_libdir}/libunistring.so.%{sover}{,.*}
 
 %files devel
 %license COPYING*
@@ -92,7 +92,7 @@ sed -i 's:50000:50:g' tests/test-malloca.c
 %{_includedir}/unistring
 %{_includedir}/*.h
 
-%post -n %{lname} -p /sbin/ldconfig
-%postun -n %{lname} -p /sbin/ldconfig
+%post -n %{name}%{sover} -p /sbin/ldconfig
+%postun -n %{name}%{sover} -p /sbin/ldconfig
 
 %changelog