diff --git a/pyproject.toml b/pyproject.toml
index 80019bc2..64450575 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ tests = [
 ]
 doc = [
     "Sphinx==7.2.6",
-    "ansys-sphinx-theme==0.13.3",
+    "ansys-sphinx-theme==0.13.4",
     "sphinx-copybutton==0.5.2",
 ]
 freeze = [