diff --git a/head/.sha b/head/.sha
index 4f340fe95..3ebaf2f37 100644
--- a/head/.sha
+++ b/head/.sha
@@ -1 +1 @@
-0efa05a4ea14db69ecd38723c155db3fadc12da8
\ No newline at end of file
+b478a11fd0c862aa6235655f41b8693757772e81
\ No newline at end of file