diff --git a/definitions/grib2/tables/11/1.3.table b/definitions/grib2/tables/11/1.3.table
index 4244c4748..ad9998a40 100644
--- a/definitions/grib2/tables/11/1.3.table
+++ b/definitions/grib2/tables/11/1.3.table
@@ -5,6 +5,8 @@
 3 3 Re-analysis products 
 4 4 THORPEX Interactive Grand Global Ensemble (TIGGE) 
 5 5 THORPEX Interactive Grand Global Ensemble (TIGGE) test 
+6 6 Sub-seasonal to seasonal prediction project (S2S)
+7 7 Sub-seasonal to seasonal prediction project (S2S) test
 # 6-191 Reserved 
 # 192-254 Reserved for local use 
 255 255 Missing