diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 1661447e8ee..04514ea534c 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -9,6 +9,8 @@ updates:
     directory: "/src/manifestmerger/"
     schedule:
       interval: "weekly"
+    pull-request-branch-name:
+      max_length: 50
   - package-ecosystem: "gitsubmodule"
     directory: "/"
     schedule: