diff --git a/programming/language/python/cython/actions.py b/programming/language/python/cython/actions.py
index ad0cc2f282..4a3af08bc1 100644
--- a/programming/language/python/cython/actions.py
+++ b/programming/language/python/cython/actions.py
@@ -10,7 +10,9 @@ from pisi.actionsapi import pisitools
 from pisi.actionsapi import get
 
 def build():
+    # fix unused dependency analysis
     shelltools.export("LDSHARED", "x86_64-pc-linux-gnu-gcc -Wl,-O1,--as-needed -shared -lpthread -Wl,-O1 -Wl,-z,relro -Wl,--hash-style=gnu -Wl,--as-needed -Wl,--sort-common")
+    # compress compiler warnings
     shelltools.export("CFLAGS", "-fno-strict-aliasing -mtune=generic -march=x86-64 -O2 -pipe -fstack-protector -D_FORTIFY_SOURCE=2 -g -fPIC -fwrapv -DNDEBUG -g -fwrapv -O3 -Wno-strict-aliasing")
     pythonmodules.compile()
 
diff --git a/programming/language/python/cython/pspec.xml b/programming/language/python/cython/pspec.xml
index 107ae3f1ff..3e83b6c153 100644
--- a/programming/language/python/cython/pspec.xml
+++ b/programming/language/python/cython/pspec.xml
@@ -8,13 +8,13 @@
             <Name>Blue DeviL</Name>
             <Email>bluedevil@sctzine.com</Email>
         </Packager>
+        <PartOf>programming.language.python</PartOf>
         <License>Apache-2.0</License>
-        <PartOf>programming.language.python3</PartOf>
         <IsA>app:console</IsA>
         <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="db2286ea3b3a6060c4294f9c3df652c5b4f60fca" type="targz">https://github.com/cython/cython/archive/0.29.14.tar.gz</Archive>
+        <Archive sha1sum="665eb4337b4da06172fc7edca0b54cb27fb46b4f" type="targz">https://github.com/cython/cython/archive/0.29.15.tar.gz</Archive>
         <BuildDependencies>
             <Dependency>python-setuptools</Dependency>
             <Dependency>python-devel</Dependency>
@@ -24,6 +24,9 @@
     <Package>
         <Name>cython</Name>
         <Summary>C extensions for the Python</Summary>
+        <RuntimeDependencies>
+            <Dependency>python-setuptools</Dependency>
+        </RuntimeDependencies>
         <Files>
             <Path fileType="executable">/usr/bin</Path>
             <Path fileType="library">/usr/lib/python2*</Path>
@@ -32,6 +35,13 @@
     </Package>
 
     <History>
+        <Update release="5">
+            <Date>2020-02-06</Date>
+            <Version>0.29.15</Version>
+            <Comment>Version bump.</Comment>
+            <Name>Blue Devil</Name>
+            <Email>bluedevil@sctzine.com</Email>
+        </Update>
         <Update release="4">
             <Date>2019-12-31</Date>
             <Version>0.29.14</Version>
@@ -61,4 +71,4 @@
             <Email>karaguzelibrahim@gmail.com</Email>
         </Update>
     </History>
-</PISI>
+</PISI>
\ No newline at end of file
diff --git a/programming/language/python/cython/translations.xml b/programming/language/python/cython/translations.xml
index dd91f70d8e..0574f8b8b7 100644
--- a/programming/language/python/cython/translations.xml
+++ b/programming/language/python/cython/translations.xml
@@ -5,4 +5,4 @@
         <Summary xml:lang="tr">Python için C eklentileri</Summary>
         <Description xml:lang="tr">Cython, Python için C eklentileri yazmayı kolaylaştıran bir dildir.</Description>
     </Source>
-</PISI>
+</PISI>
\ No newline at end of file