diff --git a/programming/language/python3/py3game/pspec.xml b/programming/language/python3/py3game/pspec.xml
index c257620e2d..3cfc4a673f 100644
--- a/programming/language/python3/py3game/pspec.xml
+++ b/programming/language/python3/py3game/pspec.xml
@@ -26,6 +26,7 @@
             <Dependency>libsdl2-devel</Dependency>
             <Dependency>python3-devel</Dependency>
             <Dependency>libX11-devel</Dependency>
+            <Dependency>cython3</Dependency>
             <!--
             <Dependency>python-numpy</Dependency>
             <Dependency>smpeg-devel</Dependency>