diff --git a/setup.py b/setup.py
index ea78ce40..9e0c9d5e 100644
--- a/setup.py
+++ b/setup.py
@@ -127,7 +127,7 @@ def relative(lst, base=''):
         ],
     },
 
-    install_requires=platform_requires + ['cflib>=0.1.8',
+    install_requires=platform_requires + ['cflib>=0.1.9',
                                           'appdirs>=1.4.0',
                                           'pyzmq==18.1.0',
                                           'pyqtgraph>=0.10',