diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index a59b788..a8d6d94 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -9,6 +9,9 @@ build:
   os: "ubuntu-22.04"
   tools:
     python: "3.9"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow
 
 python:
   install: