diff --git a/spam-filter b/spam-filter
index fd76d6ed4..646c28dcb 160000
--- a/spam-filter
+++ b/spam-filter
@@ -1 +1 @@
-Subproject commit fd76d6ed4094cb90d971aa837bb11eff30d79d7c
+Subproject commit 646c28dcb35552d2b7de0740eb7e12d4c07485f4