diff --git a/README.md b/README.md
index 3e226ea..77e1e35 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,20 @@ For Google Authentication & Firebase you need to use your own google-services.js
You may need to include an api key in your [manifest.xml](https://github.com/khammami/journal-app/blob/411291d3934ded74f1d1c4bfec80a900a321c2a8/app/src/main/AndroidManifest.xml#L29) for Fabric if you want or just remove it.
+**Firestore rules I've used:**
+```
+match /databases/{database}/documents {
+ match /users/{userId}/{document=**} {
+ allow read, write: if request.auth.uid == userId;
+ }
+
+ match /users/{userId}/posts/{postId} {
+ allow write: if request.resource.data.updatedAt > resource.data.updatedAt;
+ allow write: if !exists(/databases/$(database)/documents/users/$(request.auth.uid)/posts/$(request.resource.data.id))
+ }
+ }
+ ```
+
### Screenshots
