diff --git a/Makefile b/Makefile
index 65031b6..125380b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 TF_CMD ?= terraform
-OPERATOR_VERSION ?= latest
+OPERATOR_VERSION ?= v0.4.3
 CLUSTER_NAME ?= ls-k8s-demo
 
 usage:                    ## Show this help
@@ -16,10 +16,10 @@ stop-cluster:
 	kind delete cluster --name $(CLUSTER_NAME)
 
 deploy-operator:
-	kubectl apply --server-side -f https://github.com/localstack/localstack-operator/releases/${OPERATOR_VERSION}/download/controller.yaml
+	kubectl apply --server-side -f https://raw.githubusercontent.com/localstack/localstack-operator/${OPERATOR_VERSION}/controller.yaml
 
 destroy-operator:
-	kubectl delete -f  https://github.com/localstack/localstack-operator/releases/${OPERATOR_VERSION}/download/controller.yaml
+	kubectl delete -f https://raw.githubusercontent.com/localstack/localstack-operator/${OPERATOR_VERSION}/controller.yaml
 
 deploy-localstack-instance: deploy-secret
 	kubectl apply --server-side -f ./localstack-instance.yml
diff --git a/main.tf b/main.tf
index cbc8f0e..4b10fb9 100644
--- a/main.tf
+++ b/main.tf
@@ -14,11 +14,17 @@ variable "database_password" {
 }
 
 module "vpc" {
-  source = "terraform-aws-modules/vpc/aws"
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 6.0"
+
+  manage_default_network_acl    = false
+  manage_default_route_table    = false
+  manage_default_security_group = false
 }
 
 module "db" {
-  source     = "terraform-aws-modules/rds/aws"
+  source  = "terraform-aws-modules/rds/aws"
+  version = "~> 6.0"
   identifier = "k8sdb"
 
   engine               = "mysql"
@@ -37,7 +43,8 @@ module "db" {
 }
 
 module "lambda_function" {
-  source = "terraform-aws-modules/lambda/aws"
+  source  = "terraform-aws-modules/lambda/aws"
+  version = "~> 8.0"
 
   function_name = "myfunction"
   handler       = "index.handler"