diff --git a/bootstrap/calico/release.yaml b/bootstrap/calico/release.yaml
index d83e889b10e8e1fcea9e5479f4b494264d54b1c7..703632b3a62a5a1a76e8865118de39ea70f15ee7 100644
--- a/bootstrap/calico/release.yaml
+++ b/bootstrap/calico/release.yaml
@@ -24,6 +24,7 @@ spec:
       calicoNetwork:
         bgp: Enabled
         hostPorts: Enabled
+        mtu: 1440
         ipPools:
           - blockSize: 26
             cidr: 10.1.0.0/16