diff --git a/nuspell-5.0.0.tar.gz b/nuspell-5.0.0.tar.gz
deleted file mode 100644
index 71ed804..0000000
--- a/nuspell-5.0.0.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:855d4771d225dcce1e48d098be6a2d69629c635b79b53f9e095a35adc68f0ea1
-size 372940
diff --git a/nuspell-5.1.1.tar.gz b/nuspell-5.1.1.tar.gz
new file mode 100644
index 0000000..ec28845
--- /dev/null
+++ b/nuspell-5.1.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a65cc7414f0123630bd13b7739eda51484b29f6402086b2db7e0deb846083bb0
+size 370879
diff --git a/nuspell.changes b/nuspell.changes
index 4fd555f..fda380e 100644
--- a/nuspell.changes
+++ b/nuspell.changes
@@ -1,3 +1,36 @@
+-------------------------------------------------------------------
+Sat Oct  8 05:20:22 UTC 2022 - Atri Bhattacharya <badshah400@gmail.com>
+
+- Update to version 5.1.1:
+  * Add configuration option BUILD_TOOLS that can be used to
+    disable building the CLI tool (gh#nuspell/nuspell#122). 
+  * Made error reporting more detailed and robust
+    (gh#nuspell/nuspell#123).
+  * Fix compiler warnings regarding usage of deprecated functions.
+- Changes from version 5.1.0:
+  * Add new API for finding dictionaries on the filesystem that
+    uses facilities from C++17 std::filesystem.
+  * Simplify CLI tool and removed some unused features from it.
+  * Deprecate old API for finding dictionaries on the filesystem
+    that used strings for paths.
+  * Remove man-page for CLI tool and dependency on pandoc.
+- BuildRequires: pkgconfig(catch2) < 3 instead of unversioned
+  Catch2-devel, since package is not yet compatible with Catch2
+  version 3 and higher.
+- Require gcc-c++ >= 10 for successful builds, i.e. BuildRequires:
+  gcc10-c++ for openSUSE < 1550.
+- Fix building of API documentation and install it as part of
+  new doc package; BuildRequires: fdupes, graphviz (for dot).
+- Spec file cleanups:
+  * Install license with every package.
+  * Remove any doc files from shared lib and install as part of
+    %{name}: shared lib should contain nothing more than the shared
+    object(s) and license.
+  * Move all %libname.so.* files to shared lib package, devel pkg
+    should contain just the %libname.so symlink amidst other devel
+    files.
+  * %{name}-devel pkg dependencies: Add shared lib, drop %{name}.
+
 -------------------------------------------------------------------
 Thu Jun 17 07:27:33 UTC 2021 - andy great <andythe_great@pm.me>
 
diff --git a/nuspell.spec b/nuspell.spec
index d237977..bd937c9 100644
--- a/nuspell.spec
+++ b/nuspell.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package nuspell
 #
-# Copyright (c) 2021 SUSE LLC
+# Copyright (c) 2022 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,19 +18,26 @@
 
 %define sonum   5
 %define libname libnuspell
+# Due to std::filesystem and std::charconv used by code, at least gcc-c++ >= 10 and std=c++17 is required
+%if 0%{?suse_version} < 1550
+%define gcc_ver 10
+%endif
 Name:           nuspell
-Version:        5.0.0
+Version:        5.1.1
 Release:        0
 Summary:        A spell checker library and command-line tool
 License:        LGPL-3.0-or-later
 Group:          Productivity/Office/Other
 URL:            https://nuspell.github.io/
 Source:         https://github.com/nuspell/nuspell/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
-BuildRequires:  Catch2-devel
 BuildRequires:  cmake
 BuildRequires:  doxygen
-BuildRequires:  gcc-c++
+BuildRequires:  fdupes
+BuildRequires:  gcc%{?gcc_ver}-c++
+BuildRequires:  graphviz
 BuildRequires:  libicu-devel
+BuildRequires:  pkgconfig
+BuildRequires:  pkgconfig(catch2) < 3
 BuildRequires:  rubygem(%{rb_default_ruby_abi}:ronn)
 Requires:       hunspell
 
@@ -71,29 +78,43 @@ Main features are:
 %package devel
 Summary:        Files for developing with Nuspell
 Group:          Development/Libraries/C and C++
-Requires:       nuspell = %{version}-%{release}
+Requires:       %{libname}%{sonum} = %{version}
+Recommends:     %{name}-doc = %{version}
 
 %description devel
 Header files and definitions for developing with Nuspell.
 
+%package doc
+Summary:        API documentation for Nuspell
+BuildArch:      noarch
+
+%description doc
+This package provides API documentation for Nuspell.
+
 %prep
 %autosetup
 
 %build
 %cmake -DBUILD_SHARED_LIBS:BOOL=ON \
+%if 0%{?suse_version} < 1550
+       -DCMAKE_CXX_COMPILER:STRING=g++-%{?gcc_ver} \
+       -DCMAKE_CXX_FLAGS:STRING="%{optflags} -std=c++17" \
+%endif
        -DBUILD_TESTING:BOOL=ON  \
-       -DCMAKE_SKIP_RPATH:BOOL=OFF \
- ..
-
+       -DCMAKE_SKIP_RPATH:BOOL=OFF
 %cmake_build
 
-pushd ../
+cd ../
 doxygen
-popd
 
 %install
 %cmake_install
 
+# Install API doc manually so we can run fdupes on buildroot
+mkdir -p %{buildroot}%{_docdir}/%{name}
+cp -pR doxygen/html %{buildroot}%{_docdir}/%{name}-doc/
+%fdupes %{buildroot}%{_docdir}/%{name}-doc/
+
 %post -n %{libname}%{sonum} -p /sbin/ldconfig
 %postun -n %{libname}%{sonum} -p /sbin/ldconfig
 
@@ -101,19 +122,24 @@ popd
 %ctest
 
 %files -n %{name}
+%doc README.md CHANGELOG.md AUTHORS
+%license COPYING.LESSER COPYING
 %{_bindir}/nuspell
 
 %files -n %{libname}%{sonum}
-%doc README.md CHANGELOG.md AUTHORS
 %license COPYING.LESSER COPYING
-%{_libdir}/%{libname}.so.%{version}
+%{_libdir}/%{libname}.so.*
 %exclude %{_datadir}/doc/nuspell/README.md
 
 %files devel
+%license COPYING.LESSER COPYING
 %{_includedir}/%{name}
 %{_libdir}/%{libname}.so
-%{_libdir}/%{libname}.so.%{sonum}
 %{_libdir}/pkgconfig/nuspell.pc
 %{_libdir}/cmake/%{name}
 
+%files doc
+%license COPYING.LESSER COPYING
+%doc %{_docdir}/%{name}-doc/
+
 %changelog