diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4a8afb6531d6..b3e5c8e14c1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 ### Chore & Maintenance
 
+- `[@jest/transform]` Expose type `TransformedSource` ([#9762](https://github.com/facebook/jest/pull/9762))
+
 ### Performance
 
 ## 25.2.7
diff --git a/packages/jest-transform/src/index.ts b/packages/jest-transform/src/index.ts
index ada1dd88716e..8b953d59a1a5 100644
--- a/packages/jest-transform/src/index.ts
+++ b/packages/jest-transform/src/index.ts
@@ -11,6 +11,7 @@ export {
 } from './ScriptTransformer';
 export {default as shouldInstrument} from './shouldInstrument';
 export type {
+  CacheKeyOptions,
   Transformer,
   ShouldInstrumentOptions,
   Options as TransformationOptions,