diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index fe2bae6..81c4f07 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -25,11 +25,11 @@ repos:
       - id: pretty-format-json
         args: ["--autofix"]
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 26.1.0
+    rev: 26.3.1
     hooks:
       - id: black
   - repo: https://github.com/pycqa/isort
-    rev: 8.0.1
+    rev: 9.0.0a3
     hooks:
       - id: isort
   - repo: https://github.com/pycqa/flake8
@@ -42,6 +42,6 @@ repos:
       - id: bandit
         args: ["-c", "bandit.yaml"]
   - repo: https://github.com/python-poetry/poetry
-    rev: "2.3.2"
+    rev: "2.4.0"
     hooks:
       - id: poetry-check
diff --git a/src/camp/engine/loader.py b/src/camp/engine/loader.py
index 7aceefa..3cc5748 100644
--- a/src/camp/engine/loader.py
+++ b/src/camp/engine/loader.py
@@ -63,10 +63,8 @@ def load_ruleset(
     feature_defs = ruleset.feature_model_types()
     if not _verify_feature_model_class(feature_defs):
         raise ValueError(
-            textwrap.dedent(
-                f"""Feature definition must be a pydantic model or union
-                of pydantic models, but got `{feature_defs}` instead."""
-            )
+            textwrap.dedent(f"""Feature definition must be a pydantic model or union
+                of pydantic models, but got `{feature_defs}` instead.""")
         )
     feature_types = _feature_model_map(feature_defs)
     feature_dict: dict[str, base_models.BaseFeatureDef] = {}