diff --git a/apps/api/alembic/versions/2026_05_27_make_project_id_nullable.py b/apps/api/alembic/versions/2026_05_27_external_repos.py
similarity index 68%
rename from apps/api/alembic/versions/2026_05_27_make_project_id_nullable.py
rename to apps/api/alembic/versions/2026_05_27_external_repos.py
index 11cca9d..e6b3395 100644
--- a/apps/api/alembic/versions/2026_05_27_make_project_id_nullable.py
+++ b/apps/api/alembic/versions/2026_05_27_external_repos.py
@@ -1,7 +1,7 @@
 """make_project_id_nullable_in_git_repositories
 
-Revision ID: 2026_05_27_make_project_id_nullable
-Revises: e7adfb4
+Revision ID: 2026_05_27_external_repos
+Revises: 2026_05_26_add_git_mounts
 Create Date: 2026-05-27 08:30:00.000000
 
 """
@@ -12,13 +12,16 @@ import sqlalchemy as sa
 
 
 # revision identifiers, used by Alembic.
-revision: str = "2026_05_27_make_project_id_nullable"
+revision: str = "2026_05_27_external_repos"
 down_revision: Union[str, Sequence[str], None] = "2026_05_26_add_git_mounts"
 branch_labels: Union[str, Sequence[str], None] = None
 depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
+    # Expand alembic_version version_num to avoid truncation errors
+    op.execute("ALTER TABLE alembic_version ALTER COLUMN version_num TYPE VARCHAR(64)")
+    
     # Make project_id nullable to allow external repositories
     op.alter_column(
         "git_repositories",
@@ -35,3 +38,4 @@ def downgrade() -> None:
         existing_type=sa.UUID(),
         nullable=False,
     )
+    op.execute("ALTER TABLE alembic_version ALTER COLUMN version_num TYPE VARCHAR(32)")