diff --git a/packages/compiler-cli/ngcc/test/execution/helpers.ts b/packages/compiler-cli/ngcc/test/execution/helpers.ts
index de02041ee4..9b89efb933 100644
--- a/packages/compiler-cli/ngcc/test/execution/helpers.ts
+++ b/packages/compiler-cli/ngcc/test/execution/helpers.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 import {DepGraph} from 'dependency-graph';
-import {DtsProcessing, PartiallyOrderedTasks} from '../../src/execution/tasks/api';
+import {DtsProcessing, PartiallyOrderedTasks, Task} from '../../src/execution/tasks/api';
 import {EntryPoint, EntryPointJsonProperty} from '../../src/packages/entry_point';
 
 /**