diff --git a/.github/workflows/generate_autodoc.yml b/.github/workflows/generate_autodoc.yml
index 7e9fbc03abe..da435bff468 100644
--- a/.github/workflows/generate_autodoc.yml
+++ b/.github/workflows/generate_autodoc.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   generate_docs:
     name: 'Generate Documentation'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - name: 'Update Branch'
       uses: actions/checkout@v3