diff --git a/migrations/versions/74254ecb1e90_.py b/migrations/versions/74254ecb1e90_.py
new file mode 100644
index 00000000..593636ea
--- /dev/null
+++ b/migrations/versions/74254ecb1e90_.py
@@ -0,0 +1,32 @@
+"""empty message
+
+Revision ID: 74254ecb1e90
+Revises: 4d9ae1a4eb48
+Create Date: 2020-03-20 08:09:13.858558
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '74254ecb1e90'
+down_revision = '4d9ae1a4eb48'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('file', 'primary',
+               existing_type=sa.BOOLEAN(),
+               nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('file', 'primary',
+               existing_type=sa.BOOLEAN(),
+               nullable=True)
+    # ### end Alembic commands ###