diff --git a/bootstrapconfig/config.go b/bootstrapconfig/config.go
index 0cfcc1b..51a559a 100644
--- a/bootstrapconfig/config.go
+++ b/bootstrapconfig/config.go
@@ -20,6 +20,7 @@ type Config struct {
 
 	SSH struct {
 		Listen string
+		UserCA string `yaml:"user_ca"`
 		Keys   struct {
 			DSA     string
 			RSA     string