diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index b362828e..89c3aaf9 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -1,6 +1,6 @@
 Sphinx<8
 ansys-sphinx-theme==0.12.5
-imageio==2.32.0
+imageio==2.33.1
 nest-asyncio==1.5.8
 notfound==1.0.2
 pypandoc==1.12