diff --git a/plugin/jest.config.js b/plugin/jest.config.js
index 64bd511f..840a552a 100644
--- a/plugin/jest.config.js
+++ b/plugin/jest.config.js
@@ -1,6 +1,6 @@
 module.exports = {
 	testEnvironment: "node",
-	moduleFileExtensions: ["ts"],
+	moduleFileExtensions: ["js", "ts"],
 	testMatch: ["**/src/**/*.test.ts"],
 	transform: {
 		"^.+\\.(ts|tsx)$": "ts-jest",