diff --git a/modules/database/main.tf b/modules/database/main.tf
index e1fd70d..8015c0f 100644
--- a/modules/database/main.tf
+++ b/modules/database/main.tf
@@ -12,7 +12,7 @@ resource "aws_rds_cluster" "rds_cluster" {
   preferred_backup_window = "04:00-07:00"
   engine_mode             = "serverless"
   scaling_configuration {
-    max_capacity             = 1
-    min_capacity             = 1
+    max_capacity             = 2
+    min_capacity             = 2
   }
 }
diff --git a/modules/lambda/main.tf b/modules/lambda/main.tf
index bce363d..ce9d2e0 100644
--- a/modules/lambda/main.tf
+++ b/modules/lambda/main.tf
@@ -65,6 +65,7 @@ resource "aws_lambda_function" "lambda_function" {
   memory_size   = 256
   runtime       = "go1.x"
   timeout       = 60
+  reserved_concurrent_executions = 1
 
   environment {
     variables = {