diff --git a/.drone.yml b/.drone.yml
index 4524cd1..8d0f069 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -10,7 +10,7 @@ steps:
     repo: registry.spamasaurus.com/library/gitsparseclone
     registry: registry.spamasaurus.com
     tags: latest
-    mtu: 1500
+    mtu: 1450
     username:
       from_secret: harbor_username
     password: