diff --git a/terraform/modules/google-cloud/apps/gateway-region-instance-group/variables.tf b/terraform/modules/google-cloud/apps/gateway-region-instance-group/variables.tf
index ebe1b29b7..be424306b 100644
--- a/terraform/modules/google-cloud/apps/gateway-region-instance-group/variables.tf
+++ b/terraform/modules/google-cloud/apps/gateway-region-instance-group/variables.tf
@@ -131,7 +131,7 @@ variable "health_check" {
     protocol = "TCP"
     port     = 8080
 
-    initial_delay_sec = 60
+    initial_delay_sec = 100
 
     check_interval_sec  = 15
     timeout_sec         = 10