diff --git a/csaf_2.1/test/validator/testcases_json_schema.json b/csaf_2.1/test/validator/testcases_json_schema.json
index c7b44390..5b29cc4f 100644
--- a/csaf_2.1/test/validator/testcases_json_schema.json
+++ b/csaf_2.1/test/validator/testcases_json_schema.json
@@ -62,7 +62,7 @@
           "title": "Number of the test",
           "description": "Contains the section number of the test in the specification.",
           "type": "string",
-          "pattern": "^6\\.(([1-3]\\.[1-9])|(1\\.10)|([12]\\.1[1-9])|(3\\.1[0-2])|([12]\\.2[0-6])|(2\\.27)|([12]\\.2[8-9])|(1\\.27\\.([1-9]|10|11))|([12]\\.3[0-1])|(1\\.3[2-9])|(1\\.4[0-2]))$"
+          "pattern": "^6\\.(([1-3]\\.[1-9])|(1\\.10)|([12]\\.1[1-9])|(3\\.1[0-2])|([12]\\.2[0-6])|(2\\.27)|([12]\\.2[8-9])|(1\\.27\\.([1-9]|10|11))|([12]\\.3[0-2])|(1\\.3[3-9])|(1\\.4[0-2]))$"
         },
         "valid": {
           "title": "List of valid examples",