diff --git a/.pullapprove.yml b/.pullapprove.yml
index f9d10062..ff970b29 100644
--- a/.pullapprove.yml
+++ b/.pullapprove.yml
@@ -33,6 +33,6 @@ groups:
     conditions:
       branches:
         - master
-    required: -1
+    required: 4
     teams:
       - admin