diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 15bd1729..4bcb5e5e 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -6,3 +6,4 @@ updates:
       interval: "weekly"
     labels:
       - "CI"
+    target-branch: "5.1.x"