diff --git a/source_commit b/source_commit
index 851751a5..bbcb0d23 100644
--- a/source_commit
+++ b/source_commit
@@ -1 +1 @@
-b855fae05bcc78cbc0d74db39bb3b9272d0c3ff3
+1bc4bf3ebdce1feb83f0458b01b7fa6b2fcf6423