diff --git a/.github/bors.toml b/.github/bors.toml
index 1135db116..1ecc9d8de 100644
--- a/.github/bors.toml
+++ b/.github/bors.toml
@@ -1,3 +1,4 @@
 status = [
     "all",
 ]
+delete_merged_branches = true