diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b62d60ac..d619f795 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -104,7 +104,7 @@ repos:
         additional_dependencies: [setuptools-scm]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.22
+    rev: v0.16.0
     hooks:
       - id: ruff-format
       - id: ruff
diff --git a/src/ridgeplot/_figure_factory.py b/src/ridgeplot/_figure_factory.py
index 16011810..5b170397 100644
--- a/src/ridgeplot/_figure_factory.py
+++ b/src/ridgeplot/_figure_factory.py
@@ -125,7 +125,7 @@ def create_ridgeplot(
     densities: Densities,
     trace_labels: LabelsArray | ShallowLabelsArray | None,
     trace_types: TraceTypesArray | ShallowTraceTypesArray | TraceType,
-    row_labels: Collection[str] | None | Literal[False],
+    row_labels: Collection[str] | Literal[False] | None,
     colorscale: ColorScale | Collection[Color] | str | None,
     colormode: Literal["fillgradient"] | SolidColormode,
     color_discrete_map: dict[str, str] | None,
diff --git a/src/ridgeplot/_ridgeplot.py b/src/ridgeplot/_ridgeplot.py
index 6bbbc185..dcbea49c 100644
--- a/src/ridgeplot/_ridgeplot.py
+++ b/src/ridgeplot/_ridgeplot.py
@@ -102,7 +102,7 @@ def ridgeplot(
     densities: Densities | ShallowDensities | None = None,
     trace_type: TraceTypesArray | ShallowTraceTypesArray | TraceType | None = None,
     labels: LabelsArray | ShallowLabelsArray | None = None,
-    row_labels: Collection[str] | None | Literal[False] = None,
+    row_labels: Collection[str] | Literal[False] | None = None,
     # KDE parameters
     kernel: str = "gau",
     bandwidth: KDEBandwidth = "normal_reference",
@@ -123,7 +123,7 @@ def ridgeplot(
     xpad: float = 0.05,
     template: PlotlyTemplate | None = None,
     # Deprecated parameters
-    coloralpha: float | None | MissingType = MISSING,
+    coloralpha: float | MissingType | None = MISSING,
     linewidth: float | MissingType = MISSING,
     show_yticklabels: bool | MissingType = MISSING,
 ) -> go.Figure: