diff --git a/.ottdrev b/.ottdrev
index fdb7582eca..4bfa84ecdd 100644
--- a/.ottdrev
+++ b/.ottdrev
@@ -1 +1 @@
-1.8.0	28002	0	1.8.0
+1.9.1	20190408	0	b61ef7e0d2e11e6f8fa963c9459e918b24afc8b5	1	1