diff --git a/backend/alembic/versions/067_ai_model_workspace_mapping.py b/backend/alembic/versions/067_ai_model_workspace_mapping.py
new file mode 100644
index 00000000..aa558ba2
--- /dev/null
+++ b/backend/alembic/versions/067_ai_model_workspace_mapping.py
@@ -0,0 +1,34 @@
+"""067_ai_model_workspace_mapping
+
+Revision ID: e51127e9aa4a
+Revises: 8adc3a4919be
+Create Date: 2026-06-01 14:14:23.112843
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel.sql.sqltypes
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'e51127e9aa4a'
+down_revision = '8adc3a4919be'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('ai_model_workspace_mapping',
+    sa.Column('id', sa.BigInteger(), nullable=False),
+    sa.Column('ai_model_id', sa.BigInteger(), nullable=True),
+    sa.Column('workspace_id', sa.BigInteger(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('ai_model_workspace_mapping')
+    # ### end Alembic commands ###