diff --git a/database/migrations/2024_02_05_014414_create_articles_table.php b/database/migrations/2024_02_05_014414_create_articles_table.php
index 5b81d37..ca55f4b 100644
--- a/database/migrations/2024_02_05_014414_create_articles_table.php
+++ b/database/migrations/2024_02_05_014414_create_articles_table.php
@@ -18,7 +18,7 @@ return new class extends Migration
 
             // The URL-encoded version of the title, more or less. Also acts as
             // the unique, public-facing identifier for the article
-            $table->string('slug', 255);
+            $table->string('slug', 255)->unique();
 
             $table->foreignId('author_id')
                 ->constrained(table: 'authors', indexName: 'articles_authors_id')