diff --git a/resources/sql/autopatches/20140518.dxmorebinarycache.sql b/resources/sql/autopatches/20140518.dxmorebinarycache.sql
new file mode 100644
index 0000000000..27859bfd4b
--- /dev/null
+++ b/resources/sql/autopatches/20140518.dxmorebinarycache.sql
@@ -0,0 +1,4 @@
+TRUNCATE {$NAMESPACE}_differential.differential_changeset_parse_cache;
+
+ALTER TABLE {$NAMESPACE}_differential.differential_changeset_parse_cache
+  CHANGE cache cache LONGBLOB NOT NULL;