diff --git a/examples/api-gateway-event-source/README.md b/examples/api-gateway-event-source/README.md
index 158fe12..749220a 100644
--- a/examples/api-gateway-event-source/README.md
+++ b/examples/api-gateway-event-source/README.md
@@ -35,8 +35,8 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_api_gateway"></a> [api\_gateway](#module\_api\_gateway) | terraform-aws-modules/apigateway-v2/aws | ~> 0 |
-| <a name="module_apigateway_put_events_to_eventbridge_policy"></a> [apigateway\_put\_events\_to\_eventbridge\_policy](#module\_apigateway\_put\_events\_to\_eventbridge\_policy) | terraform-aws-modules/iam/aws//modules/iam-policy | ~> 3 |
-| <a name="module_apigateway_put_events_to_eventbridge_role"></a> [apigateway\_put\_events\_to\_eventbridge\_role](#module\_apigateway\_put\_events\_to\_eventbridge\_role) | terraform-aws-modules/iam/aws//modules/iam-assumable-role | ~> 3 |
+| <a name="module_apigateway_put_events_to_eventbridge_policy"></a> [apigateway\_put\_events\_to\_eventbridge\_policy](#module\_apigateway\_put\_events\_to\_eventbridge\_policy) | terraform-aws-modules/iam/aws//modules/iam-policy | ~> 4.0 |
+| <a name="module_apigateway_put_events_to_eventbridge_role"></a> [apigateway\_put\_events\_to\_eventbridge\_role](#module\_apigateway\_put\_events\_to\_eventbridge\_role) | terraform-aws-modules/iam/aws//modules/iam-assumable-role | ~> 4.0 |
 | <a name="module_eventbridge"></a> [eventbridge](#module\_eventbridge) | ../../ |  |
 
 ## Resources
diff --git a/examples/api-gateway-event-source/main.tf b/examples/api-gateway-event-source/main.tf
index ece8422..49166d5 100644
--- a/examples/api-gateway-event-source/main.tf
+++ b/examples/api-gateway-event-source/main.tf
@@ -69,7 +69,7 @@ module "api_gateway" {
     "POST /orders/create" = {
       integration_type    = "AWS_PROXY"
       integration_subtype = "EventBridge-PutEvents"
-      credentials_arn     = module.apigateway_put_events_to_eventbridge_role.this_iam_role_arn
+      credentials_arn     = module.apigateway_put_events_to_eventbridge_role.iam_role_arn
 
       request_parameters = jsonencode({
         EventBusName = module.eventbridge.eventbridge_bus_name,
@@ -86,7 +86,7 @@ module "api_gateway" {
 
 module "apigateway_put_events_to_eventbridge_role" {
   source  = "terraform-aws-modules/iam/aws//modules/iam-assumable-role"
-  version = "~> 3"
+  version = "~> 4.0"
 
   create_role = true
 
@@ -102,7 +102,7 @@ module "apigateway_put_events_to_eventbridge_role" {
 
 module "apigateway_put_events_to_eventbridge_policy" {
   source  = "terraform-aws-modules/iam/aws//modules/iam-policy"
-  version = "~> 3"
+  version = "~> 4.0"
 
   name        = "apigateway-put-events-to-eventbridge"
   description = "Allow PutEvents to EventBridge"
diff --git a/examples/complete/README.md b/examples/complete/README.md
index 08e517a..4c5d4a8 100644
--- a/examples/complete/README.md
+++ b/examples/complete/README.md
@@ -35,7 +35,7 @@ Note that this example may create resources which cost money. Run `terraform des
 | Name | Source | Version |
 |------|--------|---------|
 | <a name="module_eventbridge"></a> [eventbridge](#module\_eventbridge) | ../../ |  |
-| <a name="module_step_function"></a> [step\_function](#module\_step\_function) | terraform-aws-modules/step-functions/aws | ~> 1.0 |
+| <a name="module_step_function"></a> [step\_function](#module\_step\_function) | terraform-aws-modules/step-functions/aws | ~> 2.0 |
 
 ## Resources
 
diff --git a/examples/complete/main.tf b/examples/complete/main.tf
index 900fb37..d3ebc98 100644
--- a/examples/complete/main.tf
+++ b/examples/complete/main.tf
@@ -20,7 +20,7 @@ module "eventbridge" {
   kinesis_target_arns   = [aws_kinesis_stream.this.arn]
 
   attach_sfn_policy = true
-  sfn_target_arns   = [module.step_function.this_state_machine_arn]
+  sfn_target_arns   = [module.step_function.state_machine_arn]
 
   attach_sqs_policy = true
   sqs_target_arns = [
@@ -81,7 +81,7 @@ module "eventbridge" {
     emails = [
       {
         name            = "process-email-with-sfn"
-        arn             = module.step_function.this_state_machine_arn
+        arn             = module.step_function.state_machine_arn
         attach_role_arn = true
       },
       {
@@ -234,7 +234,7 @@ resource "aws_cloudwatch_log_group" "this" {
 
 module "step_function" {
   source  = "terraform-aws-modules/step-functions/aws"
-  version = "~> 1.0"
+  version = "~> 2.0"
 
   name = random_pet.this.id