diff --git a/.github/workflows/docs-build.yml b/.github/workflows/docs-build.yml
index 6518be49027..8db1bdfb94f 100644
--- a/.github/workflows/docs-build.yml
+++ b/.github/workflows/docs-build.yml
@@ -24,13 +24,13 @@ env:
 
 jobs:
   make-doctest:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: "3.9"
 
       - name: source cashing
         uses: ./.github/actions/pull-caches
@@ -56,13 +56,13 @@ jobs:
 
 
   make-html:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.8
+          python-version: "3.9"
 
       - name: source cashing
         uses: ./.github/actions/pull-caches
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 7a8d1e0fdb8..e4826069f34 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -18,7 +18,7 @@ formats:
 build:
   os: "ubuntu-22.04"
   tools:
-      python: "3.8"
+      python: "3.9"
 
 # Optionally set the version of Python and requirements required to build your docs
 python: