diff --git a/package-lock.json b/package-lock.json
index 6f78261..9785fe3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@co-digital/api-sdk",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@co-digital/api-sdk",
-      "version": "1.0.5",
+      "version": "1.0.6",
       "license": "MIT",
       "dependencies": {
         "axios": "^1.6.0"
diff --git a/package.json b/package.json
index 53d7d51..0da9379 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@co-digital/api-sdk",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "An API SDK for Node.JS applications in CO Digital.",
   "homepage": "https://github.com/cabinetoffice/node-api-sdk#README.md",
   "main": "./lib/index.js",
diff --git a/src/api-sdk/github/github.ts b/src/api-sdk/github/github.ts
index 5e397a5..1ad195a 100644
--- a/src/api-sdk/github/github.ts
+++ b/src/api-sdk/github/github.ts
@@ -31,7 +31,7 @@ export class Github {
 
     // Create Issue on defined repo
     public async postIssue (url: string, body: GitHubIssueRequest): Promise<ApiResponse<any> | ApiErrorResponse> {
-        const response = await this.request.httpPost(url, body);
+        const response = await this.request.httpPost(url, JSON.stringify(body));
         return this.responseHandler(response);
     }
 
diff --git a/src/api-sdk/github/type.ts b/src/api-sdk/github/type.ts
index bbea37e..ba5986d 100644
--- a/src/api-sdk/github/type.ts
+++ b/src/api-sdk/github/type.ts
@@ -44,7 +44,6 @@ export interface GitHubCollaboratorsPerRepo {
 export interface GitHubIssueRequest {
     title: string,
     body: string,
-    milestone: number,
     assignees: string[],
     labels: string[]
 }
diff --git a/test/mock/data.mock.ts b/test/mock/data.mock.ts
index 9423cda..cd99525 100644
--- a/test/mock/data.mock.ts
+++ b/test/mock/data.mock.ts
@@ -157,7 +157,6 @@ export const MOCK_ISSUE_BODY = {
     title: "Add member to the team",
     body: "Add member Bob to the team Alice.",
     assignees: ["IDC TEAM"],
-    milestone: 1,
     labels: ["GIT"]
 };