diff --git a/server/apps/research/migrations/0002_alter_article_slug.py b/server/apps/research/migrations/0002_alter_article_slug.py
new file mode 100644
index 0000000..0636a54
--- /dev/null
+++ b/server/apps/research/migrations/0002_alter_article_slug.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.8 on 2024-09-23 15:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('research', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='slug',
+            field=models.SlugField(blank=True, max_length=255),
+        ),
+    ]
diff --git a/server/apps/research/models/article.py b/server/apps/research/models/article.py
index 1aac3b6..9e9b7f5 100644
--- a/server/apps/research/models/article.py
+++ b/server/apps/research/models/article.py
@@ -25,7 +25,7 @@ class Article(BaseModel):
     summary = models.TextField(blank=True)
     acknowledgement = HTMLField(blank=True, null=True)
     authors = models.ManyToManyField(Author, blank=True, related_name='articles')
-    slug = models.SlugField(blank=True, db_index=True)
+    slug = models.SlugField(max_length=255, blank=True, db_index=True)
     categories = models.ManyToManyField(Category, blank=True, related_name='articles')
     thumb = models.ImageField(upload_to='images/', default=get_default_thumb, blank=True)
     views = models.PositiveBigIntegerField(default=0)