diff --git a/index.js b/index.js
index 06b8d0c..0398e10 100644
--- a/index.js
+++ b/index.js
@@ -48,7 +48,7 @@ async function run() {
 
     console.log(`Old version: ${version}. New version: ${newVersion}`)
 
-    fs.writeFileSync(file, JSON.stringify(projectInfoFile, null, 2));
+    fs.writeFileSync(file, JSON.stringify(file, null, 2));
 
     await commitChanges(core.getInput('filePath'), file);