diff --git a/app/migrations/versions/625eb20835b5_add_expiry_date.py b/app/migrations/versions/625eb20835b5_add_expiry_date.py
new file mode 100644
index 0000000..68c6028
--- /dev/null
+++ b/app/migrations/versions/625eb20835b5_add_expiry_date.py
@@ -0,0 +1,32 @@
+"""add expiry date
+
+Revision ID: 625eb20835b5
+Revises: 
+Create Date: 2023-04-18 17:11:23.703222
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '625eb20835b5'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('task', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('expiry_date', sa.String(length=100), nullable=True))
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('task', schema=None) as batch_op:
+        batch_op.drop_column('expiry_date')
+
+    # ### end Alembic commands ###