Update builder

diff --git a/builder b/builder
index 781eaa25e0308557226e127e3385e2118a4db2f7..620e8e74032009c7044da7a1eb45c248fd89c778 160000 (submodule)
--- a/builder
+++ b/builder
@@ -1 +1 @@
-Subproject commit 781eaa25e0308557226e127e3385e2118a4db2f7
+Subproject commit 620e8e74032009c7044da7a1eb45c248fd89c778