diff --git a/.readthedocs.yml b/.readthedocs.yml
index 5e7586b..b73ac48 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -3,6 +3,9 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow || true
 python:
   install:
     - requirements: .readthedocs_requirements.txt