diff --git a/lib/python/pyflyby/_version.py b/lib/python/pyflyby/_version.py
index 0acf8ca3..874c47d6 100644
--- a/lib/python/pyflyby/_version.py
+++ b/lib/python/pyflyby/_version.py
@@ -5,4 +5,4 @@
 
 
 
-__version__ = '1.8.5'
+__version__ = '1.8.6'