diff --git a/pip b/pip
index eb6d378..1918e55 160000
--- a/pip
+++ b/pip
@@ -1 +1 @@
-Subproject commit eb6d378de271b4e4038d426bc3f93d4f29d761c2
+Subproject commit 1918e55a97ba0bd9893b63b19f783872ff6305cf