diff --git a/package-lock.json b/package-lock.json
index 7c13b8c..60ce7cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@contentstack/types-generator",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@contentstack/types-generator",
-      "version": "2.0.1",
+      "version": "2.0.2",
       "license": "MIT",
       "dependencies": {
         "@contentstack/delivery-sdk": "^4.2.0",
diff --git a/package.json b/package.json
index bdfbe13..94e5422 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@contentstack/types-generator",
-  "version": "2.0.1",
+  "version": "2.0.2",
   "description": "Contentstack type definition generation library",
   "private": false,
   "author": "Contentstack",
diff --git a/src/graphqlTS/index.ts b/src/graphqlTS/index.ts
index 63e7d81..cdd5da8 100644
--- a/src/graphqlTS/index.ts
+++ b/src/graphqlTS/index.ts
@@ -74,7 +74,7 @@ export async function graphqlTS({
     if (error.message && !error.response) {
       throw { error_message: error.message };
     }
-    if (error.response.status === 401) {
+    if (error.response.status === 412) {
       throw {
         error_message:
           "Unauthorized: The apiKey, token or environment is not valid.",
diff --git a/tests/unit/graphqlTS/graphqlTS.test.ts b/tests/unit/graphqlTS/graphqlTS.test.ts
index 725f59c..40ae14e 100644
--- a/tests/unit/graphqlTS/graphqlTS.test.ts
+++ b/tests/unit/graphqlTS/graphqlTS.test.ts
@@ -103,7 +103,7 @@ describe("graphqlTS function with errors", () => {
 
     nock(GRAPHQL_REGION_URL_MAPPING[region])
       .post(`/${apiKey}?environment=${environment}`)
-      .reply(401);
+      .reply(412);
 
     try {
       await graphqlTS({