diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a4a12db828..250c686ddbd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,8 @@
   })
   ```
   [@benjamn](https://github.com/benjamn) in [#7810](https://github.com/apollographql/apollo-client/pull/7810)
+- Make sure the `MockedResponse` `ResultFunction` type is re-exported.  <br/>
+  [@hwillson](https://github.com/hwillson) in [#8315](https://github.com/apollographql/apollo-client/pull/8315)
 
 ### Potentially breaking changes
 
diff --git a/src/utilities/testing/index.ts b/src/utilities/testing/index.ts
index db8575a1e08..45c2f3198f1 100644
--- a/src/utilities/testing/index.ts
+++ b/src/utilities/testing/index.ts
@@ -1,5 +1,10 @@
 export { MockedProvider, MockedProviderProps } from './mocking/MockedProvider';
-export { MockLink, mockSingleLink, MockedResponse } from './mocking/mockLink';
+export {
+  MockLink,
+  mockSingleLink,
+  MockedResponse,
+  ResultFunction
+} from './mocking/mockLink';
 export {
   MockSubscriptionLink,
   mockObservableLink