diff --git a/CHANGES/4998.bugfix b/CHANGES/4998.bugfix
new file mode 100644
index 0000000000..20f13adc6c
--- /dev/null
+++ b/CHANGES/4998.bugfix
@@ -0,0 +1 @@
+Increased artifact size field to prevent 500 errors for artifacts > 2GB in size.
diff --git a/pulpcore/app/migrations/0002_increase_artifact_size_field.py b/pulpcore/app/migrations/0002_increase_artifact_size_field.py
new file mode 100644
index 0000000000..e7adcd0bf8
--- /dev/null
+++ b/pulpcore/app/migrations/0002_increase_artifact_size_field.py
@@ -0,0 +1,18 @@
+# Generated by Django 2.2.2 on 2019-07-05 17:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='artifact',
+            name='size',
+            field=models.BigIntegerField(),
+        ),
+    ]
diff --git a/pulpcore/app/models/content.py b/pulpcore/app/models/content.py
index 805f86528a..5b6d08fe33 100644
--- a/pulpcore/app/models/content.py
+++ b/pulpcore/app/models/content.py
@@ -103,7 +103,7 @@ def storage_path(self, name):
         return storage.get_artifact_path(self.sha256)
 
     file = fields.ArtifactFileField(null=False, upload_to=storage_path, max_length=255)
-    size = models.IntegerField(null=False)
+    size = models.BigIntegerField(null=False)
     md5 = models.CharField(max_length=32, null=False, unique=False, db_index=True)
     sha1 = models.CharField(max_length=40, null=False, unique=False, db_index=True)
     sha224 = models.CharField(max_length=56, null=False, unique=False, db_index=True)