diff --git a/warehouse/migrations/versions/b27b3bb5b4c9_consistent_names_in_prohibited_projects.py b/warehouse/migrations/versions/b27b3bb5b4c9_consistent_names_in_prohibited_projects.py
new file mode 100644
index 000000000000..ad2466c761ae
--- /dev/null
+++ b/warehouse/migrations/versions/b27b3bb5b4c9_consistent_names_in_prohibited_projects.py
@@ -0,0 +1,116 @@
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""
+consistent names in prohibited projects
+
+Revision ID: b27b3bb5b4c9
+Revises: 2f5dbc74c770
+Create Date: 2025-02-24 19:31:38.064454
+"""
+
+from alembic import op
+
+revision = "b27b3bb5b4c9"
+down_revision = "2f5dbc74c770"
+
+
+def upgrade():
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT blacklist_name_key TO prohibited_project_names_name_key
+    """
+    )
+
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT blacklist_pkey TO prohibited_project_names_pkey
+    """
+    )
+
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT blacklist_blacklisted_by_fkey
+        TO prohibited_project_names_prohibited_by_fkey
+    """
+    )
+
+    op.execute(
+        """ CREATE OR REPLACE FUNCTION ensure_normalized_prohibited_name()
+            RETURNS TRIGGER AS $$
+            BEGIN
+                NEW.name = normalize_pep426_name(NEW.name);
+                RETURN NEW;
+            END;
+            $$ LANGUAGE plpgsql;
+        """
+    )
+
+    op.execute(
+        """
+        DROP TRIGGER normalize_blacklist ON prohibited_project_names
+    """
+    )
+
+    op.execute(
+        """
+        CREATE TRIGGER normalize_prohibited_project_name
+        BEFORE INSERT OR UPDATE ON prohibited_project_names
+        FOR EACH ROW EXECUTE FUNCTION public.ensure_normalized_prohibited_name()
+    """
+    )
+
+    op.execute(
+        """
+        DROP FUNCTION IF EXISTS public.ensure_normalized_blacklist()
+    """
+    )
+
+
+def downgrade():
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT prohibited_project_names_name_key TO blacklist_name_key
+    """
+    )
+
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT prohibited_project_names_pkey TO blacklist_pkey
+    """
+    )
+
+    op.execute(
+        """
+        ALTER TABLE prohibited_project_names
+        RENAME CONSTRAINT prohibited_project_names_prohibited_by_fkey
+        TO blacklist_blacklisted_by_fkey
+    """
+    )
+
+    op.execute(
+        """
+        DROP TRIGGER normalize_prohibited_project_name ON prohibited_project_names
+    """
+    )
+
+    op.execute(
+        """
+        CREATE TRIGGER normalize_blacklist
+        BEFORE INSERT OR UPDATE ON prohibited_project_names
+        FOR EACH ROW EXECUTE FUNCTION public.ensure_normalized_blacklist()
+    """
+    )