diff --git a/device/constants.go b/device/constants.go
index 6e2d5bc1b..6a14a0eed 100644
--- a/device/constants.go
+++ b/device/constants.go
@@ -20,7 +20,7 @@ const (
 	MaxTimerHandshakes      = 90 / 5 /* RekeyAttemptTime / RekeyTimeout */
 	RekeyTimeoutJitterMaxMs = 334
 	RejectAfterTime         = time.Second * 180
-	KeepaliveTimeout        = time.Second * 1
+	KeepaliveTimeout        = time.Second * 5
 	CookieRefreshTime       = time.Second * 120
 	HandshakeInitationRate  = time.Second / 50
 	PaddingMultiple         = 16