diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 34372bf..87bd629 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -53,6 +53,6 @@ jobs:
 
     - name: Lint with flake8
       run: |
-        flake8 .
+        flake8 --exclude _version.py .
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v3
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 3de196c..3a2af00 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,10 +1,15 @@
 version: 2
 formats:
  - pdf
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow || true
 python:
-  version: 3.8
   install:
     - requirements: docs/requirements.txt
     - method: pip
       path: .
-  system_packages: false