diff --git a/terraform-workshop/index.md b/terraform-workshop/index.md
index b80a9f8..b751048 100644
--- a/terraform-workshop/index.md
+++ b/terraform-workshop/index.md
@@ -159,7 +159,10 @@ resource "aws_instance" "my_ec2" {
   ami           = "ami-03e383d33727f4804"
   instance_type = "t2.micro"
 
-  security_groups = [aws_security_group.allow_ssh.name]
+  security_groups = [
+    aws_security_group.allow_ssh.name,
+    aws_security_grou.default_egress.name
+  ]
 
   tags = {
     Name = "TestEC2Instance"