diff --git a/combo/apps/dataviz/migrations/0009_auto_20190617_1214.py b/combo/apps/dataviz/migrations/0009_auto_20190617_1214.py
new file mode 100644
index 00000000..ef60e143
--- /dev/null
+++ b/combo/apps/dataviz/migrations/0009_auto_20190617_1214.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.12 on 2019-06-17 10:14
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dataviz', '0008_auto_20190328_0857'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='chartcell',
+            name='url',
+            field=models.URLField(blank=True, max_length=250, null=True, verbose_name='URL'),
+        ),
+    ]
diff --git a/combo/apps/dataviz/models.py b/combo/apps/dataviz/models.py
index e5071bbd..20fe8412 100644
--- a/combo/apps/dataviz/models.py
+++ b/combo/apps/dataviz/models.py
@@ -65,7 +65,7 @@ class ChartCell(CellBase):
     template_name = 'combo/dataviz-chart.html'
 
     title = models.CharField(_('Title'), max_length=150, blank=True, null=True)
-    url = models.URLField(_('URL'), max_length=150, blank=True, null=True)
+    url = models.URLField(_('URL'), max_length=250, blank=True, null=True)
 
     class Meta:
         verbose_name = _('Chart')