diff --git a/jedi/builtin.py b/jedi/builtin.py
index 824a6f6f..eb58995c 100644
--- a/jedi/builtin.py
+++ b/jedi/builtin.py
@@ -9,6 +9,7 @@ if is_py3k:
 import types
 import inspect
 
+import cache
 import common
 import debug
 import parsing