diff --git a/alembic/versions/fdcdafdb11cf_identity_properties_jsonb_to_json.py b/alembic/versions/fdcdafdb11cf_identity_properties_jsonb_to_json.py
new file mode 100644
index 0000000000..c249f8807f
--- /dev/null
+++ b/alembic/versions/fdcdafdb11cf_identity_properties_jsonb_to_json.py
@@ -0,0 +1,60 @@
+"""identity properties jsonb to json
+
+Revision ID: fdcdafdb11cf
+Revises: 549eff097c71
+Create Date: 2025-02-21 10:30:49.937854
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "fdcdafdb11cf"
+down_revision: Union[str, None] = "549eff097c71"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column(
+        "identities",
+        "properties",
+        existing_type=postgresql.JSONB(astext_type=sa.Text()),
+        type_=postgresql.JSON(astext_type=sa.Text()),
+        existing_nullable=False,
+        existing_server_default=sa.text("'[]'::jsonb"),
+    )
+    op.drop_constraint("unique_identifier_without_project", "identities", type_="unique")
+    op.create_unique_constraint(
+        "unique_identifier_key_project_id_organization_id",
+        "identities",
+        ["identifier_key", "project_id", "organization_id"],
+        postgresql_nulls_not_distinct=True,
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint("unique_identifier_key_project_id_organization_id", "identities", type_="unique")
+    op.create_unique_constraint(
+        "unique_identifier_without_project",
+        "identities",
+        ["identifier_key", "project_id", "organization_id"],
+        postgresql_nulls_not_distinct=True,
+    )
+    op.alter_column(
+        "identities",
+        "properties",
+        existing_type=postgresql.JSON(astext_type=sa.Text()),
+        type_=postgresql.JSONB(astext_type=sa.Text()),
+        existing_nullable=False,
+        existing_server_default=sa.text("'[]'::jsonb"),
+    )
+    # ### end Alembic commands ###
diff --git a/letta/orm/identity.py b/letta/orm/identity.py
index 1a8058e57e..f92b053b27 100644
--- a/letta/orm/identity.py
+++ b/letta/orm/identity.py
@@ -2,7 +2,7 @@
 from typing import List, Optional
 
 from sqlalchemy import String, UniqueConstraint
-from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.dialects.postgresql import JSON
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
 from letta.orm.mixins import OrganizationMixin
@@ -21,7 +21,7 @@ class Identity(SqlalchemyBase, OrganizationMixin):
             "identifier_key",
             "project_id",
             "organization_id",
-            name="unique_identifier_without_project",
+            name="unique_identifier_key_project_id_organization_id",
             postgresql_nulls_not_distinct=True,
         ),
     )
@@ -32,7 +32,7 @@ class Identity(SqlalchemyBase, OrganizationMixin):
     identity_type: Mapped[str] = mapped_column(nullable=False, doc="The type of the identity.")
     project_id: Mapped[Optional[str]] = mapped_column(nullable=True, doc="The project id of the identity.")
     properties: Mapped[List["IdentityProperty"]] = mapped_column(
-        JSONB, nullable=False, default=list, doc="List of properties associated with the identity"
+        JSON, nullable=False, default=list, doc="List of properties associated with the identity"
     )
 
     # relationships