diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 84d4389..81b6e29 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,7 +1,7 @@
 repos:
   # Versioning: Commit messages & changelog
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v4.1.1
+    rev: v4.8.4
     hooks:
       - id: commitizen
         stages: [commit-msg]
@@ -9,7 +9,7 @@ repos:
   # Lint / autoformat: Python code
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: "v0.9.3"
+    rev: "v0.12.12"
     hooks:
       # Run the linter
       - id: ruff
@@ -19,7 +19,7 @@ repos:
 
   # Lint & Autoformat: SQL
   - repo: https://github.com/sqlfluff/sqlfluff
-    rev: 3.3.0
+    rev: 3.4.2
     hooks:
       - id: sqlfluff-lint
         files: ^fmtm_splitter/fmtm_algorithm.sql
@@ -47,7 +47,7 @@ repos:
           ]
   # Lint: Markdown
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.44.0
+    rev: v0.45.0
     hooks:
       - id: markdownlint
         args:
diff --git a/fmtm_splitter/fmtm_algorithm.sql b/fmtm_splitter/fmtm_algorithm.sql
index 20ac5a6..7cf801c 100644
--- a/fmtm_splitter/fmtm_algorithm.sql
+++ b/fmtm_splitter/fmtm_algorithm.sql
@@ -243,10 +243,10 @@ CREATE TABLE clusteredbuildings AS (
             *,
             ST_CLUSTERKMEANS(
                 b.geom,
-                CAST((b.numfeatures / %(num_buildings)s) + 1 AS integer)
+                CAST((b.numfeatures / b.%(num_buildings)s) + 1 AS integer)
             )
                 OVER (PARTITION BY b.polyid)
-            AS cid
+                AS cid
         FROM buildingstocluster AS b
     ),