diff --git a/utils/cert/cert.go b/utils/cert/cert.go
index 58b2356..858f6e5 100644
--- a/utils/cert/cert.go
+++ b/utils/cert/cert.go
@@ -109,7 +109,7 @@ func CreateCa(organization string, expireDays int) (certBytes []byte, keyBytes [
 		NotAfter:  time.Now().Add(time.Hour * 24 * time.Duration(expireDays)),
 
 		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature | x509.KeyUsageCertSign,
-		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
 		BasicConstraintsValid: true,
 		IsCA: true,
 	}