diff --git a/infrastructure/cloudformation/dt/load_balancing.yaml b/infrastructure/cloudformation/dt/load_balancing.yaml
index 6d4c666..f923999 100644
--- a/infrastructure/cloudformation/dt/load_balancing.yaml
+++ b/infrastructure/cloudformation/dt/load_balancing.yaml
@@ -38,7 +38,7 @@ Resources:
     Type: AWS::ElasticLoadBalancingV2::TargetGroup
     Properties:
       HealthCheckPort: 80
-      HealthCheckProtocol: HTTP
+      HealthCheckProtocol: TCP
       Port: 7777
       Protocol: TCP_UDP
       TargetGroupAttributes: