diff --git a/quicksetup.py b/quicksetup.py
index 44b2868..dafa549 100644
--- a/quicksetup.py
+++ b/quicksetup.py
@@ -88,7 +88,7 @@ except ImportError:
     pip_install("Pillow==5.3.0")
 
 print "installing pyinstaller"
-pip_install('pyinstaller==2.1' if platform.system() == "Darwin" else 'pyinstaller==3.6')
+pip_install('pyinstaller==3.6')
 
 if platform.system() == "Windows":
     print "downloading pyqt4"