diff --git a/requirements/requirements_doc.txt b/requirements/requirements_doc.txt
index a04fc29d6..758915c79 100644
--- a/requirements/requirements_doc.txt
+++ b/requirements/requirements_doc.txt
@@ -2,7 +2,7 @@ Sphinx==7.2.6
 numpydoc==1.6.0
 ansys-sphinx-theme==0.12.5
 sphinx-copybutton==0.5.2
-apispec==6.3.0
+apispec==6.3.1
 sphinxcontrib-httpdomain==1.8.1
 sphinxcontrib-globalsubs==0.1.1
 sphinxnotes-strike==1.2