diff --git a/data/validation_schema/minimal_metadata_validation.json b/data/validation_schema/minimal_metadata_validation.json
index 9ad5b908..31442021 100644
--- a/data/validation_schema/minimal_metadata_validation.json
+++ b/data/validation_schema/minimal_metadata_validation.json
@@ -4,7 +4,7 @@
     "title": "IGF minimal metadata validation schema",
     "description": "Schema for validation of minimal metadata input file",
     "type" : "array",
-    "version": "1.0.0",
+    "version": "1.1.0",
     "minItems": 1,
     "uniqueItems": true,
     "items": {
@@ -13,17 +13,19 @@
             "project_igf_id" : {
               "type" : "string",
               "pattern": "^IGF[a-zA-Z0-9-_]+$",
-              "maxLength": 50
+              "maxLength": 70
             },
             "deliverable" : {
               "type" : "string",
-              "enum" : ["FASTQ",
-                        "COSMX"]
+              "enum" : [
+                "FASTQ",
+                "COSMX"
+              ]
             },
             "name" : {
               "type" : "string",
               "pattern": "^\\w+\\s\\w+\\s?\\w+?$",
-              "maxLength": 30
+              "maxLength": 40
             },
             "username" : {
               "type" : "string",
@@ -50,6 +52,7 @@
           "deliverable",
           "name",
           "email_id",
-          "username"]
+          "username"
+        ]
     }
 }
\ No newline at end of file
diff --git a/igf_airflow/utils/dag49_cosmx_metadata_registration_utils.py b/igf_airflow/utils/dag49_cosmx_metadata_registration_utils.py
index 31d44dd6..ee70f5e5 100644
--- a/igf_airflow/utils/dag49_cosmx_metadata_registration_utils.py
+++ b/igf_airflow/utils/dag49_cosmx_metadata_registration_utils.py
@@ -33,11 +33,11 @@
   default_var='/api/v1/raw_cosmx_metadata/mark_ready_metadata_as_synced'
 )
 METADATA_VALIDATION_SCHEMA = Variable.get(
-  'igf_portal_conf',
+  'manual_metadata_validation_schema',
   default_var=None
 )
 DEFAULT_EMAIL = Variable.get(
-  'default_email',
+  'default_email_user',
   default_var=None
 )