diff --git a/_data/validator-libraries-modern.yml b/_data/validator-libraries-modern.yml
index 7412aa37..f5ef02a0 100644
--- a/_data/validator-libraries-modern.yml
+++ b/_data/validator-libraries-modern.yml
@@ -131,7 +131,7 @@
     - name: networknt/json-schema-validator
       url: https://github.com/networknt/json-schema-validator
       notes: Support OpenAPI 3.0 with Jackson parser 
-      date-draft:
+      date-draft: [2019-09]
       draft: [7, 6, 4]
       license: Apache License 2.0
     - name: jsonschemafriend