diff --git a/biome.json b/biome.json
index ebcbc51..dac6a61 100644
--- a/biome.json
+++ b/biome.json
@@ -12,7 +12,7 @@
   "formatter": {
     "enabled": true,
     "indentStyle": "space",
-    "ignore": ["main.js"]
+    "ignore": ["main.js", "package.json"]
   },
   "organizeImports": {
     "ignore": ["main.js"],
diff --git a/version-bump.mjs b/version-bump.mjs
index ee8fa9f..9891221 100644
--- a/version-bump.mjs
+++ b/version-bump.mjs
@@ -6,9 +6,9 @@ const targetVersion = process.env.npm_package_version;
 const manifest = JSON.parse(readFileSync("manifest.json", "utf8"));
 const { minAppVersion } = manifest;
 manifest.version = targetVersion;
-writeFileSync("manifest.json", JSON.stringify(manifest, null, "\t"));
+writeFileSync("manifest.json", `${JSON.stringify(manifest, null, 2)}\n`);
 
 // update versions.json with target version and minAppVersion from manifest.json
 const versions = JSON.parse(readFileSync("versions.json", "utf8"));
 versions[targetVersion] = minAppVersion;
-writeFileSync("versions.json", JSON.stringify(versions, null, "\t"));
+writeFileSync("versions.json", `${JSON.stringify(versions, null, 2)}\n`);