diff --git a/system/devel/cython/pspec.xml b/system/devel/cython/pspec.xml
index ff67028e..c3aaea51 100644
--- a/system/devel/cython/pspec.xml
+++ b/system/devel/cython/pspec.xml
@@ -13,7 +13,7 @@
         <IsA>library</IsA>
         <Summary>C extensions for the Python</Summary>
         <Description>Cython is a language that makes writing C extensions for the Python language as easy as Python itself.</Description>
-        <Archive sha1sum="85c0494968e49f4aa3d20c58c314b5dffed47886" type="targz">http://www.cython.org/release/Cython-0.22.1.tar.gz</Archive>
+        <Archive sha1sum="5a49123b39d89a20fb88bdc7886210c39cdff695" type="targz">http://www.cython.org/release/Cython-0.23.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>python-devel</Dependency>
         </BuildDependencies>
@@ -32,6 +32,13 @@
     </Package>
 
     <History>
+        <Update release="8">
+            <Date>2015-08-14</Date>
+            <Version>0.23</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Ertuğrul Erata</Name>
+            <Email>ertugrulerata@gmail.com</Email>
+        </Update>
         <Update release="7">
             <Date>2015-06-22</Date>
             <Version>0.22.1</Version>