diff --git a/CHANGELOG.md b/CHANGELOG.md
index aef29281..fb7675d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
+
+### Version: 3.12.1
+#### Date: Jan-22-2021
+
+##### Bug fix:
+ - Fixed Unhandled promise rejection on HTML response body.
 ### Version: 3.12.0
-#### Date: Desc-05-2020
+#### Date: Dec-05-2020
 
 ##### New Features:
  - [Entry] - Publish fallback method added
diff --git a/package-lock.json b/package-lock.json
index efa3bdf9..e18470c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "contentstack",
-  "version": "3.12.0",
+  "version": "3.12.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -5073,7 +5073,8 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/growly/-/growly-1.3.0.tgz",
       "integrity": "sha1-8QdIy+dq+WS3yWyTxrzCivEgwIE=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "har-schema": {
       "version": "2.0.0",
@@ -5720,6 +5721,7 @@
       "resolved": "https://registry.npmjs.org/is-wsl/-/is-wsl-2.2.0.tgz",
       "integrity": "sha512-fKzAra0rGJUUBwGBgNkHZuToZcn+TtXHpeCgmkMJMMYx1sQDYaCSyjJBSCa2nH1DGm7s3n1oBnohoVTBaN7Lww==",
       "dev": true,
+      "optional": true,
       "requires": {
         "is-docker": "^2.0.0"
       }
@@ -8224,6 +8226,7 @@
       "resolved": "https://registry.npmjs.org/node-notifier/-/node-notifier-8.0.1.tgz",
       "integrity": "sha512-BvEXF+UmsnAfYfoapKM9nGxnP+Wn7P91YfXmrKnfcYCx6VBeoN5Ez5Ogck6I8Bi5k4RlpqRYaw75pAwzX9OphA==",
       "dev": true,
+      "optional": true,
       "requires": {
         "growly": "^1.3.0",
         "is-wsl": "^2.2.0",
@@ -8238,6 +8241,7 @@
           "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
           "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
           "dev": true,
+          "optional": true,
           "requires": {
             "yallist": "^4.0.0"
           }
@@ -8247,6 +8251,7 @@
           "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.4.tgz",
           "integrity": "sha512-tCfb2WLjqFAtXn4KEdxIhalnRtoKFN7nAwj0B3ZXCbQloV2tq5eDbcTmT68JJD3nRJq24/XgxtQKFIpQdtvmVw==",
           "dev": true,
+          "optional": true,
           "requires": {
             "lru-cache": "^6.0.0"
           }
@@ -8256,6 +8261,7 @@
           "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
           "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
           "dev": true,
+          "optional": true,
           "requires": {
             "isexe": "^2.0.0"
           }
@@ -8264,7 +8270,8 @@
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
           "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -9595,7 +9602,8 @@
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/shellwords/-/shellwords-0.1.1.tgz",
       "integrity": "sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "signal-exit": {
       "version": "3.0.3",
@@ -11068,7 +11076,8 @@
       "version": "8.3.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.0.tgz",
       "integrity": "sha512-fX6Z5o4m6XsXBdli9g7DtWgAx+osMsRRZFKma1mIUsLCz6vRvv+pz5VNbyu9UEDzpMWulZfvpgb/cmDXVulYFQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "v8-compile-cache": {
       "version": "2.1.1",
diff --git a/package.json b/package.json
index 62dba9ec..f0b83ac9 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "contentstack",
-  "version": "3.12.0",
+  "version": "3.12.1",
   "description": "Contentstack Javascript SDK",
   "homepage": "https://www.contentstack.com/",
   "author": {
diff --git a/src/core/lib/request.js b/src/core/lib/request.js
index 09d8908d..6b7c23f8 100755
--- a/src/core/lib/request.js
+++ b/src/core/lib/request.js
@@ -57,7 +57,9 @@ function wait(retryDelay) {
         setTimeout(resolve, retryDelay)
     });
 }
-
+async function safeParseJSON(response) {
+    const body = await response.text();
+}
 function fetchRetry(url, headers, retryDelay = 300, retryLimit = 5, fetchOptions, resolve, reject) {
     var option = Object.assign({ 
         method: 'GET',
@@ -87,7 +89,7 @@ function fetchRetry(url, headers, retryDelay = 300, retryLimit = 5, fetchOptions
         }
     }
     fetch(url, option)
-        .then(function(response) {       
+        .then(function(response) {    
             let data = response.json();      
             if (response.ok && response.status === 200) {
                 resolve(data);
@@ -98,6 +100,8 @@ function fetchRetry(url, headers, retryDelay = 300, retryLimit = 5, fetchOptions
                     } else {
                         reject(json)
                     }   
+                }).catch(() => {
+                    reject({status: response.status, statusText: response.statusText})
                 });
             }
         }).catch((error) => {