diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc7b961..e207148 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
     # Ruff version.
-    rev: 'v0.14.14'
+    rev: 'v0.15.0'
     hooks:
        # Run the linter.
       - id: ruff
diff --git a/src/scifem/mesh.py b/src/scifem/mesh.py
index ebbafa6..6589740 100644
--- a/src/scifem/mesh.py
+++ b/src/scifem/mesh.py
@@ -97,10 +97,8 @@ def create_entity_markers(
     num_entities_local = e_map.size_local + e_map.num_ghosts
     markers = np.full(num_entities_local, -1, dtype=np.int32)
 
-    locate_entities = (
-        lambda on_boundary: dolfinx.mesh.locate_entities_boundary
-        if on_boundary
-        else dolfinx.mesh.locate_entities
+    locate_entities = lambda on_boundary: (
+        dolfinx.mesh.locate_entities_boundary if on_boundary else dolfinx.mesh.locate_entities
     )
 
     # Concatenate and sort the arrays based on indices