diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 57d4f630..da4c7a80 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ build:
   os: "ubuntu-22.04"
   tools:
     python: "3"
-    rust: "1.64"
+    rust: "1.70"
   apt_packages:
     - clang