diff --git a/pyproject.toml b/pyproject.toml
index d3ddef6fee..05a58fea2e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -78,7 +78,7 @@ doc = [
     "ansys-sphinx-theme==0.12.4",
     "grpcio==1.51.1",
     "imageio-ffmpeg==0.4.9",
-    "imageio==2.31.5",
+    "imageio==2.31.6",
     "jupyter_sphinx==0.4.0",
     "jupyterlab>=3.2.8",
     "matplotlib==3.8.0",