diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 396802c39..da382bc5b 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -24,6 +24,7 @@ updates:
       interval: monthly
   - package-ecosystem: cargo
     directory: rust/
+    open-pull-requests-limit: 20
     schedule:
       interval: weekly
     groups: