diff --git a/tools/build/MOAR_REVISION b/tools/build/MOAR_REVISION
index 885e47a223..16b02aa6b6 100644
--- a/tools/build/MOAR_REVISION
+++ b/tools/build/MOAR_REVISION
@@ -1 +1 @@
-2018.10-90-g0939a10cd
+2018.10-91-g8c67e1697