diff --git a/.changeset/thirty-hairs-crash.md b/.changeset/thirty-hairs-crash.md
new file mode 100644
index 000000000..933a5c41e
--- /dev/null
+++ b/.changeset/thirty-hairs-crash.md
@@ -0,0 +1,5 @@
+---
+"create-eth": patch
+---
+
+Format package.json files
diff --git a/src/utils/merge-package-json.ts b/src/utils/merge-package-json.ts
index 3d2d5abbc..5a65f27c8 100644
--- a/src/utils/merge-package-json.ts
+++ b/src/utils/merge-package-json.ts
@@ -14,7 +14,9 @@ export function mergePackageJson(targetPackageJsonPath: string, secondPackageJso
 
   const mergedPkgStr = mergeJsonStr.default(targetPackageJson, secondPackageJson);
 
-  fs.writeFileSync(targetPackageJsonPath, mergedPkgStr, "utf8");
+  const formattedPkgStr = JSON.stringify(JSON.parse(mergedPkgStr), null, 2);
+
+  fs.writeFileSync(targetPackageJsonPath, formattedPkgStr, "utf8");
   if (isDev) {
     const devStr = `TODO: write relevant information for the contributor`;
     fs.writeFileSync(`${targetPackageJsonPath}.dev`, devStr, "utf8");