diff --git a/PyNaCl-1.1.2.tar.gz b/PyNaCl-1.1.2.tar.gz
deleted file mode 100644
index 1a61900..0000000
--- a/PyNaCl-1.1.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:32f52b754abf07c319c04ce16905109cab44b0e7f7c79497431d3b2000f8af8c
-size 3099766
diff --git a/PyNaCl-1.2.1.tar.gz b/PyNaCl-1.2.1.tar.gz
new file mode 100644
index 0000000..de2c1e5
--- /dev/null
+++ b/PyNaCl-1.2.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e0d38fa0a75f65f556fb912f2c6790d1fa29b7dd27a1d9cc5591b281321eaaa9
+size 3256719
diff --git a/python-PyNaCl.changes b/python-PyNaCl.changes
index 1c571df..253f677 100644
--- a/python-PyNaCl.changes
+++ b/python-PyNaCl.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Dec 22 14:13:04 UTC 2017 - mimi.vx@gmail.com
+
+- update to 1.2.1
+- use system libsodium
+
 -------------------------------------------------------------------
 Sun Jun 11 16:20:28 UTC 2017 - mimi.vx@gmail.com
 
diff --git a/python-PyNaCl.spec b/python-PyNaCl.spec
index 9e3235e..84396e9 100644
--- a/python-PyNaCl.spec
+++ b/python-PyNaCl.spec
@@ -1,3 +1,4 @@
+#
 # spec file for package python-PyNaCl
 #
 # Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
@@ -12,26 +13,28 @@
 # published by the Open Source Initiative.
 
 # Please submit bugfixes or comments via http://bugs.opensuse.org/
+#
 
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-PyNaCl
-Version:        1.1.2
+Version:        1.2.1
 Release:        0
-License:        Apache-2.0
 Summary:        Python binding to the Networking and Cryptography (NaCl) library
-Url:            https://github.com/pyca/pynacl/
+License:        Apache-2.0
 Group:          Development/Languages/Python
-Source:         https://pypi.python.org/packages/8d/f3/02605b056e465bf162508c4d1635a2bccd9abd1ee3ed2a1bb4e9676eac33/PyNaCl-%{version}.tar.gz
+Url:            https://github.com/pyca/pynacl/
+Source:         https://pypi.org/packages/source/P/PyNaCl/PyNaCl-%{version}.tar.gz
 BuildRequires:  %{python_module base}
-BuildRequires:  %{python_module devel}
-BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module cffi}
-BuildRequires:  python-rpm-macros
+BuildRequires:  %{python_module devel}
+BuildRequires:  %{python_module pycparser}
+BuildRequires:  %{python_module setuptools}
 BuildRequires:  fdupes
+BuildRequires:  pkgconfig
+BuildRequires:  python-rpm-macros
+BuildRequires:  pkgconfig(libsodium)
 Requires:       python-six
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-
 %python_subpackages
 
 %description
@@ -41,8 +44,10 @@ speed.
 
 %prep
 %setup -q -n PyNaCl-%{version}
+rm -Rf src/libsodium
 
 %build
+export SODIUM_INSTALL="system"
 %python_build
 
 %install
@@ -50,9 +55,8 @@ speed.
 %python_expand %fdupes %{buildroot}/%{$python_sitearch}
 
 %files %{python_files}
-%defattr(-,root,root,-)
-%doc LICENSE README.rst
+%license LICENSE
+%doc README.rst
 %{python_sitearch}/*
 
 %changelog
-