diff --git a/plotnine/scales/scale_color.py b/plotnine/scales/scale_color.py
index ca91dd0d1..599e4baf6 100644
--- a/plotnine/scales/scale_color.py
+++ b/plotnine/scales/scale_color.py
@@ -492,7 +492,7 @@ class scale_fill_cmap_d(scale_color_cmap_d):
 
 
 @dataclass
-class scale_color_datetime(scale_datetime, scale_color_cmap):
+class scale_color_datetime(scale_datetime, scale_color_cmap):  # pyright: ignore[reportIncompatibleVariableOverride]
     """
     Datetime color scale
     """
diff --git a/plotnine/scales/scale_xy.py b/plotnine/scales/scale_xy.py
index 42d925d6b..73815726b 100644
--- a/plotnine/scales/scale_xy.py
+++ b/plotnine/scales/scale_xy.py
@@ -267,7 +267,7 @@ class scale_y_continuous(scale_position_continuous):
 
 # Transformed scales
 @dataclass(kw_only=True)
-class scale_x_datetime(scale_datetime, scale_x_continuous):
+class scale_x_datetime(scale_datetime, scale_x_continuous):  # pyright: ignore[reportIncompatibleVariableOverride]
     """
     Continuous x position for datetime data points
     """
@@ -276,7 +276,7 @@ class scale_x_datetime(scale_datetime, scale_x_continuous):
 
 
 @dataclass(kw_only=True)
-class scale_y_datetime(scale_datetime, scale_y_continuous):
+class scale_y_datetime(scale_datetime, scale_y_continuous):  # pyright: ignore[reportIncompatibleVariableOverride]
     """
     Continuous y position for datetime data points
     """
diff --git a/pyproject.toml b/pyproject.toml
index 55ba3bfc5..871fcf20f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,7 +77,7 @@ dev = [
 ]
 
 typing = [
-    "pyright==1.1.386",
+    "pyright==1.1.387",
     "ipython",
     "pandas-stubs",
 ]