diff --git a/__test__/stack.test.ts b/__test__/stack.test.ts
index c025698..d390fb2 100644
--- a/__test__/stack.test.ts
+++ b/__test__/stack.test.ts
@@ -188,18 +188,23 @@ describe("Stack", () => {
         });
 
         it("getContentTypes", (done) => {
-            let params: { [key: string]: any } = { sample: "parameter" };
+            let params: { [key: string]: any } = { sample: "parameter", branch: "sampleBranch" };
             let query = { sample: "query" };
+            let expectedParams = { sample: "parameter", query };
+        
             stack.getContentTypes(query, params).then((data) => {
-                params.query = query;
                 expect(data).toEqual({});
                 expect(connection.sendToParent).toHaveBeenCalledWith(
                     "stackQuery",
-                    { params, action: "getContentTypes" }
+                    {
+                        params: expectedParams,
+                        action: "getContentTypes",
+                        headers: { branch: "sampleBranch" }
+                    }
                 );
                 done();
             });
-        });
+        });        
 
         it("getContentTypes error case", async () => {
             let newStack = new Stack(
diff --git a/package-lock.json b/package-lock.json
index 3a1b346..25a92c3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "@contentstack/app-sdk",
-    "version": "2.1.3",
+    "version": "2.1.0",
     "lockfileVersion": 2,
     "requires": true,
     "packages": {
         "": {
             "name": "@contentstack/app-sdk",
-            "version": "2.1.3",
+            "version": "2.1.0",
             "license": "MIT",
             "dependencies": {
                 "loader-utils": "^3.2.1",
diff --git a/package.json b/package.json
index e2d5889..beaca31 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@contentstack/app-sdk",
-    "version": "2.1.3",
+    "version": "2.1.0",
     "types": "dist/src/index.d.ts",
     "description": "The Contentstack App SDK allows you to customize your Contentstack applications.",
     "main": "dist/index.js",
diff --git a/src/stack/index.ts b/src/stack/index.ts
index d4d0711..6535d21 100755
--- a/src/stack/index.ts
+++ b/src/stack/index.ts
@@ -145,9 +145,17 @@ class Stack {
    * @return {Object} A promise object which will be resolved with details of the content type.
    */
   getContentTypes(query = {}, params: { [key: string]: any } = {}): Promise<{ [key: string]: any }> {
-    const optionParams = params;
+    const {branch, ...optionParams} = params;
     optionParams.query = query;
-    const options = { params: optionParams, action: 'getContentTypes' };
+  
+    const options: any = {
+      params: optionParams,
+      action: 'getContentTypes',
+    };
+
+    if (branch) {
+      options.headers = { branch };
+    }
     return this._connection.sendToParent('stackQuery', options).then(onData).catch(onError);
   }