diff --git a/requirements.txt b/requirements.txt
index 18ec5994..71fbd571 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 # no pypi package for tractor (yet)
 # we require the asyncio-via-guest-mode dev branch
 -e git+git://github.com/goodboy/tractor.git@infect_asyncio#egg=tractor
+-e git+git://github.com/pikers/pyqtgraph.git@use_qt_inverted#egg=pyqtgraph