diff --git a/pyproject.toml b/pyproject.toml
index 3ce5fc16..99bbaead 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ tests = ["pytest==8.1.1", "pytest-cov==5.0.0", "pyfakefs==5.3.5"]
 doc = [
     "Sphinx==7.2.6",
     "numpydoc==1.7.0",
-    "ansys-sphinx-theme==0.14.1",
+    "ansys-sphinx-theme==0.15.0",
     "sphinx-copybutton==0.5.2",
 ]