diff --git a/package.json b/package.json
index b5ef35c..9c0ce73 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "description": "Shared Kafka/gRPC contracts and common enums between MonadIAM services",
   "author": "Daniil Egorov (https://github.com/Lambdius)",
   "license": "UNLICENSED",
-  "version": "3.1.2",
+  "version": "3.1.3",
   "types": "dist/index.d.ts",
   "main": "dist/index.js",
   "exports": {
diff --git a/src/kafka/account.schema.json b/src/kafka/account.schema.json
index 7b7953a..4667f7a 100644
--- a/src/kafka/account.schema.json
+++ b/src/kafka/account.schema.json
@@ -17,6 +17,7 @@
       "properties": {
         "account": { "type": "string" },
         "locale": { "type": "string", "minLength": 1 },
+        "timezone": { "type": "string", "minLength": 1 },
         "identifier": {
           "type": "object",
           "additionalProperties": false,
diff --git a/src/types.ts b/src/types.ts
index bb862f9..1f3da1f 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -464,6 +464,7 @@ declare global {
                     account: string;
                     identifier: Identifier;
                     locale?: string;
+                    timezone?: string;
                     otp: string;
                 };
             };
@@ -474,6 +475,7 @@ declare global {
                     account: string;
                     identifier?: Identifier;
                     locale?: string;
+                    timezone?: string;
                 };
             };