diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 08a47e2..cb7c80b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -42,14 +42,14 @@ repos:
         args: [--prose-wrap=always]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.8.3"
+    rev: "v0.9.2"
     hooks:
       - id: ruff
         args: ["--fix", "--show-fixes"]
       - id: ruff-format
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.13.0"
+    rev: "v1.14.1"
     hooks:
       - id: mypy
         files: src|tests
@@ -77,7 +77,7 @@ repos:
         additional_dependencies: ["validate-pyproject-schema-store[all]"]
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: "0.30.0"
+    rev: "0.31.0"
     hooks:
       - id: check-dependabot
       - id: check-github-workflows
diff --git a/src/pyramid_sampler/sampler.py b/src/pyramid_sampler/sampler.py
index e23e0f7..7dd173d 100644
--- a/src/pyramid_sampler/sampler.py
+++ b/src/pyramid_sampler/sampler.py
@@ -195,7 +195,7 @@ def downsample(
             lev_shape = self._get_level_shape(level)
             nchunks_by_dim = self._get_level_nchunks(lev_shape)
             if np.any(nchunks_by_dim == 0):
-                msg = f"cannot subdivide further, stopping downsampling at level {level-1}."
+                msg = f"cannot subdivide further, stopping downsampling at level {level - 1}."
                 sampler_log.info(msg)
                 break
             msg = f"downsampling to level {level}."