diff --git a/.readthedocs.yml b/.readthedocs.yml
index 0369e065..28c990c5 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -4,6 +4,9 @@ build:
   os: ubuntu-20.04
   tools:
     python: "3.10"
+  jobs:
+    post_checkout:
+      - git fetch --unshallow
 
 sphinx:
   configuration: docs/conf.py