diff --git a/setup/win32/Makefile.python b/setup/win32/Makefile.python
index 84e766c5..12eba70e 100644
--- a/setup/win32/Makefile.python
+++ b/setup/win32/Makefile.python
@@ -1 +1 @@
-PYTHON_VERSION=27
+PYTHON_VERSION=36