diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9ff7493..85df6ad 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ repos:
   # Lint / autoformat: Python code
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: "v0.8.3"
+    rev: "v0.9.1"
     hooks:
       # Run the linter
       - id: ruff
diff --git a/contrib/postgis_snippets/fmtm_splitter_buildings.py b/contrib/postgis_snippets/fmtm_splitter_buildings.py
index fa6399f..7d2ff90 100755
--- a/contrib/postgis_snippets/fmtm_splitter_buildings.py
+++ b/contrib/postgis_snippets/fmtm_splitter_buildings.py
@@ -36,7 +36,7 @@ def split_by_buildings(
     dbd: list,  # database host, dbname, user, password
 ):
     """Split the polygon by buildings in the database using an SQL query."""
-    dbstring = f"PG:host={dbd[0]} dbname={dbd[1]} " f"user={dbd[2]} password={dbd[3]}"
+    dbstring = f"PG:host={dbd[0]} dbname={dbd[1]} user={dbd[2]} password={dbd[3]}"
     dbshell = psycopg2.connect(
         host=dbd[0], database=dbd[1], user=dbd[2], password=dbd[3]
     )