diff --git a/package.json b/package.json
index c049a45f55..b1326b25d0 100644
--- a/package.json
+++ b/package.json
@@ -9,9 +9,8 @@
     "storybook": "start-storybook"
   },
   "jest": {
-    "testRegex": [
-      "spec/javascripts/.*_test\\.js"
-    ]
+    "testRegex": ["spec/javascripts/.*_test\\.js"],
+    "transformIgnorePatterns": ["/node_modules/(?!(stimulus)/)"]
   },
   "devDependencies": {
     "@storybook/addon-controls": "^6.4.12",