diff --git a/pyproject.toml b/pyproject.toml
index 0ebb127f..52ec5281 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,7 +64,7 @@ tests = [
     "pytest-cov==4.1.0",
 ]
 doc = [
-    "ansys-sphinx-theme==0.16.0",
+    "ansys-sphinx-theme==0.16.5",
     "numpydoc==1.6.0",
     "sphinx==7.3.7",
     "sphinx-copybutton==0.5.2",