diff --git a/pkgs/development/python-modules/plotnine/default.nix b/pkgs/development/python-modules/plotnine/default.nix
index 5bc54a27ef58..d74db8313c2e 100644
--- a/pkgs/development/python-modules/plotnine/default.nix
+++ b/pkgs/development/python-modules/plotnine/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
 
   # build-system
   setuptools-scm,
@@ -10,7 +11,6 @@
   matplotlib,
   mizani,
   pandas,
-  patsy,
   scipy,
   statsmodels,
 
@@ -24,41 +24,30 @@
 
 buildPythonPackage rec {
   pname = "plotnine";
-  version = "0.14.6";
+  version = "0.15.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "has2k1";
     repo = "plotnine";
     tag = "v${version}";
-    hash = "sha256-nTMu0zx13XepqQyrJrAvBCjjHdY02tlXlFk2kITHZfI=";
+    hash = "sha256-HhsJE5XoQjkIVExsfikTBArh9uq8ob4g2O0byYOsOh8=";
   };
 
-  # Fixes: TypeError: hue_pal.__init__() got an unexpected keyword argument 'color_space'
-  #
-  # In the mizani 0.14.0 release, hue_pal was changed to use HCL color space from HSL (or HSLuv) space.
-  # The previous functionality is still available with hls_pal.
-  postPatch = ''
-    substituteInPlace plotnine/scales/scale_color.py \
-      --replace-fail \
-        "from mizani.palettes import hue_pal" \
-        "from mizani.palettes import hls_pal" \
-      --replace-fail \
-        "hue_pal(" \
-        "hls_pal("
-  '';
-
   build-system = [ setuptools-scm ];
 
-  pythonRelaxDeps = [
-    "mizani"
+  patches = [
+    (fetchpatch {
+      name = "fix-composition-error-messages.patch";
+      url = "https://github.com/has2k1/plotnine/commit/097192de42d690c227b26ae7638accac0db14589.patch";
+      hash = "sha256-wxfJ36QH0PYdotgqrdE9sKAzKpcIYw7I8uNGhC6J0Gg=";
+    })
   ];
 
   dependencies = [
     matplotlib
     mizani
     pandas
-    patsy
     scipy
     statsmodels
   ];
@@ -77,6 +66,12 @@ buildPythonPackage rec {
     # Tries to change locale. The issued warning causes this test to fail.
     # UserWarning: Could not set locale to English/United States. Some date-related tests may fail
     "test_no_after_scale_warning"
+
+    # Assertion Errors:
+    # Generated plot images do not exactly match the expected files.
+    # After manually checking, this is caused by extremely subtle differences in label placement.
+    # See https://github.com/has2k1/plotnine/issues/627
+    "test_aesthetics"
   ];
 
   disabledTestPaths = [
@@ -99,6 +94,8 @@ buildPythonPackage rec {
     "tests/test_geom_map.py"
     "tests/test_geom_path_line_step.py"
     "tests/test_geom_point.py"
+    "tests/test_geom_pointdensity.py"
+    "tests/test_geom_polygon.py"
     "tests/test_geom_raster.py"
     "tests/test_geom_rect_tile.py"
     "tests/test_geom_ribbon_area.py"
@@ -107,11 +104,13 @@ buildPythonPackage rec {
     "tests/test_geom_text_label.py"
     "tests/test_geom_violin.py"
     "tests/test_layout.py"
+    "tests/test_plot_composition.py"
     "tests/test_position.py"
     "tests/test_qplot.py"
     "tests/test_scale_internals.py"
     "tests/test_scale_labelling.py"
     "tests/test_stat_ecdf.py"
+    "tests/test_stat_ellipse.py"
     "tests/test_stat_function.py"
     "tests/test_stat_summary.py"
     "tests/test_theme.py"