diff --git a/.github/workflows/sphinx.yml b/.github/workflows/sphinx.yml
index d8498e6..125cfba 100644
--- a/.github/workflows/sphinx.yml
+++ b/.github/workflows/sphinx.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   pages:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}