diff --git a/app/models/packages.py b/app/models/packages.py
index 4cf6683e..f6fa0a48 100644
--- a/app/models/packages.py
+++ b/app/models/packages.py
@@ -365,6 +365,8 @@ class Package(db.Model):
 	search_vector = db.Column(TSVectorType("name", "title", "short_desc", "desc",
 			weights={ "name": "A", "title": "B", "short_desc": "C" }))
 
+	__table_args__ = (db.UniqueConstraint("author_id", "name", name="_package_uc"),)
+
 	license_id   = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
 	license      = db.relationship("License", foreign_keys=[license_id])
 	media_license_id = db.Column(db.Integer, db.ForeignKey("license.id"), nullable=False, default=1)
diff --git a/migrations/versions/49105d276908_.py b/migrations/versions/49105d276908_.py
new file mode 100644
index 00000000..84de4a8d
--- /dev/null
+++ b/migrations/versions/49105d276908_.py
@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 49105d276908
+Revises: 7a749a6c8c3a
+Create Date: 2023-10-01 23:25:24.870407
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '49105d276908'
+down_revision = '7a749a6c8c3a'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table('package', schema=None) as batch_op:
+        batch_op.create_unique_constraint('_package_uc', ['author_id', 'name'])
+
+
+def downgrade():
+    with op.batch_alter_table('package', schema=None) as batch_op:
+        batch_op.drop_constraint('_package_uc', type_='unique')