diff --git a/main.tf b/main.tf
index 5d9beb7..5e6a817 100644
--- a/main.tf
+++ b/main.tf
@@ -11,7 +11,7 @@ resource "aws_security_group_rule" "egress" {
   cidr_blocks       = ["0.0.0.0/0"]
   from_port         = 0
   to_port           = 65535
-  protocol          = "tcp"
+  protocol          = "all"
 }
 
 resource "aws_security_group_rule" "ingress_any" {