diff --git a/pyproject.toml b/pyproject.toml
index 1e7050d60..e987afced 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ tests = [
 doc = [
     "sphinx==8.0.2",
     "ansys-sphinx-theme[autoapi]==1.0.3",
-    "grpcio==1.65.4",
+    "grpcio==1.65.5",
     "imageio-ffmpeg==0.5.1",
     "imageio==2.34.2",
     "jupyter_sphinx==0.5.3",