diff --git a/jest.config.js b/jest.config.js
index 14c44a7..a9a62f6 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -168,7 +168,7 @@ module.exports = {
 
   // A map from regular expressions to paths to transformers
   transform: {
-    "^.+\\.[js|jsx]s?$": "babel-jest"
+    "^.+\\.[js|jsx]?$": "babel-jest"
   },
 
   // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation