diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 12ddff783b4d..b59c69ae517e 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -62,6 +62,12 @@ updates:
         update-types:
           - "minor"
           - "patch"
+  - package-ecosystem: "rust-toolchain"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "friday"
+    target-branch: main
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule: