diff --git a/.babelrc b/.babelrc
deleted file mode 100644
index aa1bd21..0000000
--- a/.babelrc
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "presets": [
-    [
-      "react-app",
-      { "absoluteRuntime": false, "flow": true, "typescript": false }
-    ]
-  ]
-}
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 0000000..6640bf9
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  presets: [
+    ['react-app', {absoluteRuntime: false, flow: true, typescript: false}],
+  ],
+};
diff --git a/jest.config.js b/jest.config.js
index 30e44cb..4f08d90 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -2,4 +2,8 @@ module.exports = {
   moduleNameMapper: {
     '\\.css$': 'identity-obj-proxy',
   },
+  transformIgnorePatterns: [
+    // Pass @elg/speedscope through transforms
+    '/node_modules/(?!@elg/speedscope).+\\.js$',
+  ],
 };