diff --git a/pyproject.toml b/pyproject.toml
index 70caa460f1..3b8ad46316 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ tests = [
     "pytest-pyvista==0.1.8",
 ]
 doc = [
-    "sphinx==7.2.2",
+    "sphinx==7.2.6",
     "ansys-dpf-core==0.9.0",
     "ansys-mapdl-reader==0.52.20",
     "ansys-sphinx-theme==0.11.2",