diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 0000000..6abffee
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,19 @@
+module.exports = {
+  presets: [
+    ["@babel/preset-env", { targets: { node: "current" } }],
+  ],
+  env: {
+    cjs: {
+      presets: [["@babel/preset-env", { modules: "commonjs" }]],
+      plugins: [
+        ["babel-plugin-add-import-extension", { extension: "cjs" }],
+      ],
+    },
+    esm: {
+      presets: [["@babel/preset-env", { modules: false }]],
+      plugins: [
+        ["babel-plugin-add-import-extension", { extension: "js" }],
+      ],
+    },
+  },
+}
diff --git a/babel.config.json b/babel.config.json
deleted file mode 100644
index 1c726c9..0000000
--- a/babel.config.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "presets": [
-    ["@babel/preset-env", { "targets": { "node": "current" } }]
-  ],
-  "env": {
-    "cjs": {
-      "presets": [["@babel/preset-env", { "modules": "commonjs" }]],
-      "plugins": [
-        ["babel-plugin-add-import-extension", { "extension": "cjs" }]
-      ]
-    },
-    "esm": {
-      "presets": [["@babel/preset-env", { "modules": false }]],
-      "plugins": [
-        ["babel-plugin-add-import-extension", { "extension": "js" }]
-      ]
-    }
-  }
-}