diff --git a/src/Interfaces/CodeAndRepositories.ts b/src/Interfaces/CodeAndRepositories.ts
index 37e5d97..db2a9bc 100644
--- a/src/Interfaces/CodeAndRepositories.ts
+++ b/src/Interfaces/CodeAndRepositories.ts
@@ -101,6 +101,7 @@ export interface CreatePullRequestParams {
   title: string;
   description?: string;
   reviewers?: string[];
+  workItemRefs?: number[];
 }
 
 /**
diff --git a/src/Services/GitService.ts b/src/Services/GitService.ts
index 4c8edd7..6b07c71 100644
--- a/src/Services/GitService.ts
+++ b/src/Services/GitService.ts
@@ -379,7 +379,8 @@ export class GitService extends AzureDevOpsService {
         targetRefName: params.targetRefName,
         title: params.title,
         description: params.description,
-        reviewers: params.reviewers ? params.reviewers.map(id => ({ id })) : undefined
+        reviewers: params.reviewers ? params.reviewers.map(id => ({ id })) : undefined,
+        workItemRefs: params.workItemRefs ? params.workItemRefs.map(id => ({ id: String(id) })) : undefined
       };
       
       const createdPullRequest = await gitApi.createPullRequest(
diff --git a/src/index.ts b/src/index.ts
index e63b10b..221c81c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -741,7 +741,8 @@ async function main() {
         targetRefName: z.string().describe("Target branch"),
         title: z.string().describe("Title of the pull request"),
         description: z.string().optional().describe("Description of the pull request"),
-        reviewers: z.array(z.string()).optional().describe("List of reviewers")
+        reviewers: z.array(z.string()).optional().describe("List of reviewers"),
+        workItemRefs: z.array(z.number()).optional().describe("List of work item IDs to link to the pull request")
       },
       async (params, extra) => {
         const result = await gitTools.createPullRequest(params);