diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -1,8 +1,8 @@
 name       : cython
-version    : 0.27.2
-release    : 11
+version    : 0.27.3
+release    : 12
 source     :
-    - https://github.com/cython/cython/archive/0.27.2.tar.gz : 2fa7bc2581b56cb01012d7f0c145bf6fd053f8f0e5445275f014e40c2bce65cb
+    - https://github.com/cython/cython/archive/0.27.3.tar.gz : 648feb8a257574a3e4ef854475e7d767732ef26e870d2f9fcc1ca5b244b3ac89
 license    : Apache-2.0
 component  : programming
 summary    : Compiler for Python and Cython
diff --git a/pspec_x86_64.xml b/pspec_x86_64.xml
--- a/pspec_x86_64.xml
+++ b/pspec_x86_64.xml
@@ -20,7 +20,7 @@
         <PartOf>programming</PartOf>
         <Files>
             <Path fileType="executable">/usr/bin</Path>
-            <Path fileType="library">/usr/lib/python2.7/site-packages/Cython-0.27.2-py2.7.egg-info</Path>
+            <Path fileType="library">/usr/lib/python2.7/site-packages/Cython-0.27.3-py2.7.egg-info</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/Cython/Build/BuildExecutable.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/Cython/Build/BuildExecutable.pyc</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/Cython/Build/Cythonize.py</Path>
@@ -430,12 +430,12 @@
             <Path fileType="library">/usr/lib/python2.7/site-packages/pyximport/pyxbuild.pyc</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/pyximport/pyximport.py</Path>
             <Path fileType="library">/usr/lib/python2.7/site-packages/pyximport/pyximport.pyc</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/PKG-INFO</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/SOURCES.txt</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/dependency_links.txt</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/entry_points.txt</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/not-zip-safe</Path>
-            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.2-py3.5.egg-info/top_level.txt</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/PKG-INFO</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/SOURCES.txt</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/dependency_links.txt</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/entry_points.txt</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/not-zip-safe</Path>
+            <Path fileType="library">/usr/lib/python3.5/site-packages/Cython-0.27.3-py3.5.egg-info/top_level.txt</Path>
             <Path fileType="library">/usr/lib/python3.5/site-packages/Cython/Build/BuildExecutable.py</Path>
             <Path fileType="library">/usr/lib/python3.5/site-packages/Cython/Build/Cythonize.py</Path>
             <Path fileType="library">/usr/lib/python3.5/site-packages/Cython/Build/Dependencies.py</Path>
@@ -848,12 +848,12 @@
         </Files>
     </Package>
     <History>
-        <Update release="11">
-            <Date>2017-10-22</Date>
-            <Version>0.27.2</Version>
+        <Update release="12">
+            <Date>2017-11-12</Date>
+            <Version>0.27.3</Version>
             <Comment>Packaging update</Comment>
             <Name>Ewan Paterson</Name>
             <Email>ewan.paterson@hotmail.co.uk</Email>
         </Update>
     </History>
 </PISI>
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