diff --git a/bors.toml b/bors.toml
index 717fd69d1..8ce9ec3da 100644
--- a/bors.toml
+++ b/bors.toml
@@ -4,5 +4,6 @@ status = [
     'Tests on windows-latest with stable',
     'Run Rustfmt',
 ]
+pr_status = ['Specify breaking']
 # 3 hours timeout
 timeout-sec = 10800