diff --git a/tox.ini b/tox.ini
index 0859ddae1..e53572b41 100644
--- a/tox.ini
+++ b/tox.ini
@@ -57,8 +57,7 @@ deps =
   # The 3.2 release is broken 
   # the next commit after this updates the bootloaders, which then segfault!
   # https://github.com/pyinstaller/pyinstaller/issues/2232
-  git+https://github.com/pyinstaller/pyinstaller.git@483c819d6a256b58db6740696a901bd41c313f0c; sys_platform == 'win32'
-  git+https://github.com/mhils/pyinstaller.git@d094401e4196b1a6a03818b80164a5f555861cef; sys_platform != 'win32'
+  pyinstaller==3.3.1
 
 commands =
   rtool {posargs}