diff --git a/jest.config.js b/jest.config.js
index 01afeb8..d8ae6c0 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -167,7 +167,9 @@ module.exports = {
   // timers: "real",
 
   // A map from regular expressions to paths to transformers
-  // transform: null,
+  transform: {
+    "^.+\\.[t|j]sx?$": "babel-jest"
+  }
 
   // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
   // transformIgnorePatterns: [