diff --git a/pyproject.toml b/pyproject.toml
index f46acb3..4abd791 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 
 [project.optional-dependencies]
 doc = [
-    "ansys-sphinx-theme==0.14.0",
+    "ansys-sphinx-theme==1.2.4",
     "anyio==4.3.0",
     "numpy==1.26.4",
     "numpydoc==1.6.0",