diff --git a/spam-filter b/spam-filter
index 77e927ed6..21991411b 160000
--- a/spam-filter
+++ b/spam-filter
@@ -1 +1 @@
-Subproject commit 77e927ed6be68a59fa97816f39a2f6064e237056
+Subproject commit 21991411baf04451435828751bfc27ed95f2a019