diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5dd4a909..fd1b9cc3 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -12,7 +12,7 @@ build:
     python: "3.10"
     # You can also specify other tool versions:
     # nodejs: "16"
-    rust: "1.64"
+    rust: "1.70"
     # golang: "1.17"
   apt_packages:
     - graphviz