diff --git a/Cython-0.28.2.tar.gz b/Cython-0.28.2.tar.gz
deleted file mode 100644
index f4a2f38..0000000
--- a/Cython-0.28.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:634e2f10fc8d026c633cffacb45cd8f4582149fa68e1428124e762dbc566e68a
-size 1878797
diff --git a/Cython-0.28.3.tar.gz b/Cython-0.28.3.tar.gz
new file mode 100644
index 0000000..6ee0ddd
--- /dev/null
+++ b/Cython-0.28.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1aae6d6e9858888144cea147eb5e677830f45faaff3d305d77378c3cba55f526
+size 1880324
diff --git a/python-Cython-doc.changes b/python-Cython-doc.changes
index c703df2..f4bcdd5 100644
--- a/python-Cython-doc.changes
+++ b/python-Cython-doc.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Sun May 27 16:30:35 UTC 2018 - arun@gmx.de
+
+- update to version 0.28.3:
+  * Set iteration was broken in non-CPython since 0.28.
+  * UnicodeEncodeError in Py2 when %s formatting is optimised for
+    unicode strings. (Github issue #2276)
+  * Work around a crash bug in g++ 4.4.x by disabling the size
+    reduction setting of the module init function in this
+    version. (Github issue #2235)
+
 -------------------------------------------------------------------
 Wed Apr 18 02:15:50 UTC 2018 - toddrme2178@gmail.com
 
diff --git a/python-Cython-doc.spec b/python-Cython-doc.spec
index 4d5d878..b5673db 100644
--- a/python-Cython-doc.spec
+++ b/python-Cython-doc.spec
@@ -20,12 +20,12 @@
 # Tests currently fail randomly in OBS multiple local rund do not trigger them
 %bcond_with  test
 Name:           python-Cython-doc
-Version:        0.28.2
+Version:        0.28.3
 Release:        0
 Summary:        The Cython compiler for writing C extensions for the Python language
 License:        Apache-2.0
 Group:          Documentation/Other
-Url:            http://www.cython.org
+URL:            http://www.cython.org
 Source:         https://files.pythonhosted.org/packages/source/C/Cython/Cython-%{version}.tar.gz
 Source1:        python-Cython-rpmlintrc
 BuildRequires:  fdupes
diff --git a/python-Cython.changes b/python-Cython.changes
index d2cdb24..91b3016 100644
--- a/python-Cython.changes
+++ b/python-Cython.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Sun May 27 16:30:35 UTC 2018 - arun@gmx.de
+
+- update to version 0.28.3:
+  * Set iteration was broken in non-CPython since 0.28.
+  * UnicodeEncodeError in Py2 when %s formatting is optimised for
+    unicode strings. (Github issue #2276)
+  * Work around a crash bug in g++ 4.4.x by disabling the size
+    reduction setting of the module init function in this
+    version. (Github issue #2235)
+
 -------------------------------------------------------------------
 Wed Apr 18 02:15:50 UTC 2018 - toddrme2178@gmail.com
 
diff --git a/python-Cython.spec b/python-Cython.spec
index 98129e8..d6efd35 100644
--- a/python-Cython.spec
+++ b/python-Cython.spec
@@ -19,12 +19,12 @@
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 %define         oldpython python
 Name:           python-Cython
-Version:        0.28.2
+Version:        0.28.3
 Release:        0
 Summary:        The Cython compiler for writing C extensions for the Python language
 License:        Apache-2.0
 Group:          Development/Languages/Python
-Url:            http://www.cython.org
+URL:            http://www.cython.org
 Source:         https://files.pythonhosted.org/packages/source/C/Cython/Cython-%{version}.tar.gz
 Source1:        python-Cython-rpmlintrc
 BuildRequires:  %{python_module devel}