diff --git a/packages/@aws-cdk/aws-codebuild/lib/project.ts b/packages/@aws-cdk/aws-codebuild/lib/project.ts
index 5a0f73a7027b8..1e1981f28b2e4 100644
--- a/packages/@aws-cdk/aws-codebuild/lib/project.ts
+++ b/packages/@aws-cdk/aws-codebuild/lib/project.ts
@@ -523,6 +523,7 @@ export class Project extends ProjectRef {
       badgeEnabled: props.badge,
       cache,
       name: props.projectName,
+      timeoutInMinutes: props.timeout,
     });
 
     this.projectArn = resource.projectArn;
diff --git a/packages/@aws-cdk/aws-codebuild/test/test.codebuild.ts b/packages/@aws-cdk/aws-codebuild/test/test.codebuild.ts
index fb4e7d3ac6e07..6452330369a97 100644
--- a/packages/@aws-cdk/aws-codebuild/test/test.codebuild.ts
+++ b/packages/@aws-cdk/aws-codebuild/test/test.codebuild.ts
@@ -466,7 +466,7 @@ export = {
     }
   },
 
-  'using path in S3 artifacts sets it correctly'(test: Test) {
+  'using timeout and path in S3 artifacts sets it correctly'(test: Test) {
     const stack = new cdk.Stack();
     const bucket = new s3.Bucket(stack, 'Bucket');
     new codebuild.Project(stack, 'Project', {
@@ -475,6 +475,7 @@ export = {
         name: 'some_name',
         bucket,
       }),
+      timeout: 123,
     });
 
     expect(stack).to(haveResource('AWS::CodeBuild::Project', {
@@ -483,6 +484,7 @@ export = {
         "Name": "some_name",
         "Type": "S3",
       },
+      "TimeoutInMinutes": 123,
     }));
 
     test.done();