diff --git a/pyproject.toml b/pyproject.toml
index f17367c1f..54f3eeb12 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ tests = [
     "matplotlib>=3.5.3",
 ]
 doc = [
-    "ansys-sphinx-theme==0.14.1",
+    "ansys-sphinx-theme==0.15.1",
     "matplotlib==3.8.3",
     "numpydoc==1.6.0",
     "pypandoc==1.13",