diff --git a/alembic/versions/04fe150da553_add_request_revision.py b/alembic/versions/04fe150da553_add_request_revision.py
index 574d3e7d..f6069b68 100644
--- a/alembic/versions/04fe150da553_add_request_revision.py
+++ b/alembic/versions/04fe150da553_add_request_revision.py
@@ -7,6 +7,7 @@ Create Date: 2018-08-30 13:28:16.928946
 """
 from alembic import op
 import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import ARRAY as Array
 from sqlalchemy.dialects import postgresql
 
 # revision identifiers, used by Alembic.
@@ -63,7 +64,7 @@ def upgrade():
     sa.Column('lname_cor', sa.String(), nullable=True),
     sa.Column('email_cor', sa.String(), nullable=True),
     sa.Column('office_cor', sa.String(), nullable=True),
-    sa.Column('uii_ids', sa.String(), nullable=True),
+    sa.Column('uii_ids', Array(sa.String()), nullable=True),
     sa.Column('treasury_code', sa.String(), nullable=True),
     sa.Column('ba_code', sa.String(), nullable=True),
     sa.ForeignKeyConstraint(['request_id'], ['requests.id'], ),
diff --git a/atst/models/request_revision.py b/atst/models/request_revision.py
index 373c755e..8146eead 100644
--- a/atst/models/request_revision.py
+++ b/atst/models/request_revision.py
@@ -9,6 +9,7 @@ from sqlalchemy import (
     Sequence,
 )
 from sqlalchemy.orm import relationship
+from sqlalchemy.dialects.postgresql import ARRAY
 
 from atst.models import Base
 from atst.models.mixins import TimestampsMixin
@@ -72,6 +73,6 @@ class RequestRevision(Base, TimestampsMixin):
     lname_cor = Column(String)
     email_cor = Column(String)
     office_cor = Column(String)
-    uii_ids = Column(String)
+    uii_ids = Column(ARRAY(String))
     treasury_code = Column(String)
     ba_code = Column(String)