diff --git a/src/provider/gitlab/api.ts b/src/provider/gitlab/api.ts
index ed410c9f..ef2f5ac6 100644
--- a/src/provider/gitlab/api.ts
+++ b/src/provider/gitlab/api.ts
@@ -9,6 +9,7 @@ import {
 export interface GitLab {
   getProject(id: string): Promise<GitLabResponse<Project>>;
   getMergeRequests(id: string, parameters?: GetMergeRequestParameters): Promise<GitLabResponse<MergeRequest[]>>;
+  getMergeRequest(id: string, mr_iid: number): Promise<GitLabResponse<MergeRequest>>;
 }
 
 export interface GitLabResponse<T> {
@@ -104,6 +105,8 @@ namespace impl {
     public getProject(): any {/* */}
     @Get('/projects/:id/merge_requests', true)
     public getMergeRequests(): any {/* */}
+    @Get('/projects/:id/merge_requests/:merge_request_iid')
+    public getMergeRequest(): any {/* */}
   }
 
 }
diff --git a/src/provider/gitlab/repository.ts b/src/provider/gitlab/repository.ts
index dd3b03c0..3cb36ffe 100644
--- a/src/provider/gitlab/repository.ts
+++ b/src/provider/gitlab/repository.ts
@@ -90,8 +90,14 @@ export class GitLabRepository implements Repository {
     };
   }
 
-  public async getPullRequest(_id: number): Promise<Response<GitLabMergeRequest>> {
-    throw new Error('Method not implemented.');
+  public async getPullRequest(id: number): Promise<Response<GitLabMergeRequest>> {
+    const response = await this.client.getMergeRequest(
+      encodeURIComponent(this.project.path_with_namespace),
+      id
+    );
+    return {
+      body: new GitLabMergeRequest(this.client, this, response.body)
+    };
   }
 
   public async createPullRequest(_body: CreatePullRequestBody): Promise<Response<GitLabMergeRequest>> {