diff --git a/lib/rucio/alembicrevision.py b/lib/rucio/alembicrevision.py
index 6c9fca466b..d7decb2e58 100644
--- a/lib/rucio/alembicrevision.py
+++ b/lib/rucio/alembicrevision.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ALEMBIC_REVISION = 'b0070f3695c8'  # the current alembic head revision
+ALEMBIC_REVISION = '30d5206e9cad'  # the current alembic head revision
diff --git a/lib/rucio/db/sqla/migrate_repo/versions/30d5206e9cad_increase_oauthrequest_redirect_msg_.py b/lib/rucio/db/sqla/migrate_repo/versions/30d5206e9cad_increase_oauthrequest_redirect_msg_.py
new file mode 100644
index 0000000000..95b9071bb0
--- /dev/null
+++ b/lib/rucio/db/sqla/migrate_repo/versions/30d5206e9cad_increase_oauthrequest_redirect_msg_.py
@@ -0,0 +1,37 @@
+# Copyright European Organization for Nuclear Research (CERN) since 2012
+#
+# 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.
+
+"""Increase OAuthRequest.redirect_msg length"""    # noqa: D400, D415
+
+import sqlalchemy as sa
+from alembic import context
+from alembic.op import alter_column
+
+# Alembic revision identifiers
+revision = '30d5206e9cad'
+down_revision = 'b0070f3695c8'
+
+
+def upgrade():
+    """Upgrade the database to this revision."""
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+        alter_column('oauth_requests', 'redirect_msg', existing_type=sa.String(2048), type_=sa.String(4096), schema=schema)
+
+
+def downgrade():
+    """Downgrade the database to the previous revision."""
+    if context.get_context().dialect.name in ['oracle', 'mysql', 'postgresql']:
+        schema = context.get_context().version_table_schema if context.get_context().version_table_schema else ''
+        alter_column('oauth_requests', 'redirect_msg', existing_type=sa.String(4096), type_=sa.String(2048), schema=schema)