diff --git a/ql b/ql
index 28b6aa8616..b4f4b0e6b0 160000
--- a/ql
+++ b/ql
@@ -1 +1 @@
-Subproject commit 28b6aa8616a393ebb45186e3ba4df004a0f3ef4e
+Subproject commit b4f4b0e6b0d0e819d1242d1911d54af219e065db