diff --git a/.changeset/slimy-bananas-brush.md b/.changeset/slimy-bananas-brush.md
new file mode 100644
index 0000000000..3cdcc2467b
--- /dev/null
+++ b/.changeset/slimy-bananas-brush.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-scaffolder-node-test-utils': patch
+---
+
+Updated publishConfig.main entry in package.json from `dist/index.esm.js` to `dist/index.cjs.js` for CommonJS compatibility.
diff --git a/plugins/scaffolder-node-test-utils/package.json b/plugins/scaffolder-node-test-utils/package.json
index d3d9cda00c..6bb00d7a28 100644
--- a/plugins/scaffolder-node-test-utils/package.json
+++ b/plugins/scaffolder-node-test-utils/package.json
@@ -6,7 +6,7 @@
   },
   "publishConfig": {
     "access": "public",
-    "main": "dist/index.esm.js",
+    "main": "dist/index.cjs.js",
     "types": "dist/index.d.ts"
   },
   "repository": {