diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 242cfcaadfd..d98f2eac52a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -7,7 +7,7 @@ on:
       python_version:
         required: false
         type: string
-        default: "3.9"
+        default: "3.10"
       ANSYS_VERSION:
         required: false
         type: string
@@ -29,7 +29,7 @@ on:
         description: "Python interpreter"
         required: true
         type: string
-        default: "3.9"
+        default: "3.10"
       ANSYS_VERSION:
         description: "ANSYS version"
         required: true
diff --git a/requirements/requirements_docs.txt b/requirements/requirements_docs.txt
index 6e960e9bf5b..113b79ebabe 100644
--- a/requirements/requirements_docs.txt
+++ b/requirements/requirements_docs.txt
@@ -7,7 +7,7 @@ nbsphinx==0.9.5
 pypandoc==1.13
 pytest-sphinx==0.6.3
 pyvista==0.44.1
-sphinx==7.1.0
+sphinx==8.1.3
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.17.1
 sphinx-notfound-page==1.0.4