diff --git a/language.version b/language.version
index 3ded5a2fc..375829fb4 100644
--- a/language.version
+++ b/language.version
@@ -1,2 +1,2 @@
 [default]
-SWWM_MODVER="\chSWWM \cwGZ\c- r487 (Mon 17 Aug 00:03:30 CEST 2020)";
+SWWM_MODVER="\chSWWM \cwGZ\c- r491 (Mon 17 Aug 00:05:48 CEST 2020)";