diff --git a/pkgs/development/interpreters/renpy/default.nix b/pkgs/development/interpreters/renpy/default.nix
index 60884fce69d1..237e58b5f932 100644
--- a/pkgs/development/interpreters/renpy/default.nix
+++ b/pkgs/development/interpreters/renpy/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, fetchurl, python, pkgconfig, wrapPython
+{ stdenv, fetchurl, python, cython, pkgconfig, wrapPython
 , pygame, SDL, libpng, ffmpeg, freetype, glew, mesa, fribidi, zlib
 }:
 
 stdenv.mkDerivation {
-  name = "renpy-6.16.3";
+  name = "renpy-6.17.3";
 
   meta = {
     description = "Ren'Py Visual Novel Engine";
@@ -14,12 +14,12 @@ stdenv.mkDerivation {
   };
 
   src = fetchurl {
-    url = "http://www.renpy.org/dl/6.16.3/renpy-6.16.3-source.tar.bz2";
-    sha256 = "0yd7wj85kp0hlaqlrhl40irhkmcng89vcxypyx40pqmk87gjagqn";
+    url = "http://www.renpy.org/dl/6.17.3/renpy-6.17.3-source.tar.bz2";
+    sha256 = "1707xrjmnr4a209jqm4zkda0jyjd76f679g7d51g7vd5cs46s6ph";
   };
 
   buildInputs = [
-    python pkgconfig wrapPython
+    python cython pkgconfig wrapPython
     SDL libpng ffmpeg freetype glew mesa fribidi zlib pygame
   ];