diff --git a/.readthedocs.yml b/.readthedocs.yml
index e4f3bf4b..f454e17c 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -9,6 +9,7 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.11"
+    rust: "1.70"
 
 python:
   install: