diff --git a/setup.py b/setup.py
index c7aa2c6a2..fba3f6ea5 100644
--- a/setup.py
+++ b/setup.py
@@ -42,7 +42,7 @@
         'enum34;python_version<"3.4"',
         'future',
         'websocket-client',
-        'intervaltree',
+        'intervaltree<3.0',
         'colorama',
         'pyelftools',
         'pyusb>=1.0.0b2',