diff --git a/.gitignore b/.gitignore
index c1198c3..7537fe8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,4 @@ override.tf.json
 terraform.rc
 
 .DS_Store
+.idea
diff --git a/README.md b/README.md
index 5dfb4c7..fc34aa3 100644
--- a/README.md
+++ b/README.md
@@ -365,7 +365,7 @@ Examples codified under the [`examples`](https://github.com/terraform-aws-module
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.93 |
 | <a name="requirement_random"></a> [random](#requirement\_random) | >= 3.0 |
 
@@ -452,7 +452,7 @@ No modules.
 | <a name="input_security_group_ids"></a> [security\_group\_ids](#input\_security\_group\_ids) | One or more VPC security groups associated with the cache cluster | `list(string)` | `[]` | no |
 | <a name="input_security_group_name"></a> [security\_group\_name](#input\_security\_group\_name) | Name to use on security group created | `string` | `null` | no |
 | <a name="input_security_group_names"></a> [security\_group\_names](#input\_security\_group\_names) | Names of one or more Amazon VPC security groups associated with this replication group | `list(string)` | `[]` | no |
-| <a name="input_security_group_rules"></a> [security\_group\_rules](#input\_security\_group\_rules) | Security group ingress and egress rules to add to the security group created | `any` | `{}` | no |
+| <a name="input_security_group_rules"></a> [security\_group\_rules](#input\_security\_group\_rules) | Security group ingress and egress rules to add to the security group created | <pre>map(object({<br/>    type                         = optional(string, "ingress")<br/>    ip_protocol                  = optional(string, "tcp")<br/>    cidr_ipv4                    = optional(string)<br/>    cidr_ipv6                    = optional(string)<br/>    description                  = optional(string)<br/>    from_port                    = optional(number)<br/>    to_port                      = optional(number)<br/>    prefix_list_id               = optional(string)<br/>    referenced_security_group_id = optional(string)<br/>    tags                         = optional(map(string), {})<br/>  }))</pre> | `{}` | no |
 | <a name="input_security_group_tags"></a> [security\_group\_tags](#input\_security\_group\_tags) | A map of additional tags to add to the security group created | `map(string)` | `{}` | no |
 | <a name="input_security_group_use_name_prefix"></a> [security\_group\_use\_name\_prefix](#input\_security\_group\_use\_name\_prefix) | Determines whether the security group name (`security_group_name`) is used as a prefix | `bool` | `true` | no |
 | <a name="input_snapshot_arns"></a> [snapshot\_arns](#input\_snapshot\_arns) | (Redis only) Single-element string list containing an Amazon Resource Name (ARN) of a Redis RDB snapshot file stored in Amazon S3 | `list(string)` | `[]` | no |
diff --git a/examples/memcached-cluster/README.md b/examples/memcached-cluster/README.md
index 7c93f16..cc2dfae 100644
--- a/examples/memcached-cluster/README.md
+++ b/examples/memcached-cluster/README.md
@@ -19,7 +19,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/memcached-cluster/versions.tf b/examples/memcached-cluster/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/memcached-cluster/versions.tf
+++ b/examples/memcached-cluster/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/redis-cluster-mode/README.md b/examples/redis-cluster-mode/README.md
index 8453466..38fc434 100644
--- a/examples/redis-cluster-mode/README.md
+++ b/examples/redis-cluster-mode/README.md
@@ -21,7 +21,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/redis-cluster-mode/versions.tf b/examples/redis-cluster-mode/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/redis-cluster-mode/versions.tf
+++ b/examples/redis-cluster-mode/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/redis-cluster/README.md b/examples/redis-cluster/README.md
index 7afc24d..69749bb 100644
--- a/examples/redis-cluster/README.md
+++ b/examples/redis-cluster/README.md
@@ -19,7 +19,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/redis-cluster/versions.tf b/examples/redis-cluster/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/redis-cluster/versions.tf
+++ b/examples/redis-cluster/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/redis-global-replication-group/README.md b/examples/redis-global-replication-group/README.md
index a3b3c7a..92572a1 100644
--- a/examples/redis-global-replication-group/README.md
+++ b/examples/redis-global-replication-group/README.md
@@ -23,7 +23,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/redis-global-replication-group/versions.tf b/examples/redis-global-replication-group/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/redis-global-replication-group/versions.tf
+++ b/examples/redis-global-replication-group/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/redis-replication-group-with-cluster-replica/README.md b/examples/redis-replication-group-with-cluster-replica/README.md
index 48f8674..a5fb511 100644
--- a/examples/redis-replication-group-with-cluster-replica/README.md
+++ b/examples/redis-replication-group-with-cluster-replica/README.md
@@ -19,7 +19,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/redis-replication-group-with-cluster-replica/versions.tf b/examples/redis-replication-group-with-cluster-replica/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/redis-replication-group-with-cluster-replica/versions.tf
+++ b/examples/redis-replication-group-with-cluster-replica/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/redis-replication-group/README.md b/examples/redis-replication-group/README.md
index b873d2c..2348f77 100644
--- a/examples/redis-replication-group/README.md
+++ b/examples/redis-replication-group/README.md
@@ -19,7 +19,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/redis-replication-group/versions.tf b/examples/redis-replication-group/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/redis-replication-group/versions.tf
+++ b/examples/redis-replication-group/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/serverless-cache/versions.tf b/examples/serverless-cache/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/serverless-cache/versions.tf
+++ b/examples/serverless-cache/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/examples/valkey-replication-group/README.md b/examples/valkey-replication-group/README.md
index 6e6a98a..937b513 100644
--- a/examples/valkey-replication-group/README.md
+++ b/examples/valkey-replication-group/README.md
@@ -19,7 +19,7 @@ Note that this example may create resources which will incur monetary charges on
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
 | <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.73 |
 
 ## Providers
diff --git a/examples/valkey-replication-group/versions.tf b/examples/valkey-replication-group/versions.tf
index 0f48a6c..680bcec 100644
--- a/examples/valkey-replication-group/versions.tf
+++ b/examples/valkey-replication-group/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/main.tf b/main.tf
index 2020140..3dfa329 100644
--- a/main.tf
+++ b/main.tf
@@ -322,35 +322,35 @@ resource "aws_vpc_security_group_ingress_rule" "this" {
 
   # Required
   security_group_id = aws_security_group.this[0].id
-  ip_protocol       = try(each.value.ip_protocol, "tcp")
+  ip_protocol       = each.value.ip_protocol
 
   # Optional
-  cidr_ipv4                    = lookup(each.value, "cidr_ipv4", null)
-  cidr_ipv6                    = lookup(each.value, "cidr_ipv6", null)
+  cidr_ipv4                    = try(each.value.cidr_ipv4, null)
+  cidr_ipv6                    = try(each.value.cidr_ipv6, null)
   description                  = try(each.value.description, null)
   from_port                    = try(each.value.from_port, local.port)
-  prefix_list_id               = lookup(each.value, "prefix_list_id", null)
-  referenced_security_group_id = lookup(each.value, "referenced_security_group_id", null) == "self" ? aws_security_group.this[0].id : lookup(each.value, "referenced_security_group_id", null)
+  prefix_list_id               = try(each.value.prefix_list_id, null)
+  referenced_security_group_id = try(each.value.referenced_security_group_id, null)
   to_port                      = try(each.value.to_port, local.port)
 
   tags = merge(local.tags, var.security_group_tags, try(each.value.tags, {}))
 }
 
 resource "aws_vpc_security_group_egress_rule" "this" {
-  for_each = { for k, v in var.security_group_rules : k => v if local.create_security_group && try(v.type, "ingress") == "egress" }
+  for_each = { for k, v in var.security_group_rules : k => v if local.create_security_group && v.type == "egress" }
 
   # Required
   security_group_id = aws_security_group.this[0].id
   ip_protocol       = try(each.value.ip_protocol, "tcp")
 
   # Optional
-  cidr_ipv4                    = lookup(each.value, "cidr_ipv4", null)
-  cidr_ipv6                    = lookup(each.value, "cidr_ipv6", null)
+  cidr_ipv4                    = try(each.value.cidr_ipv4, null)
+  cidr_ipv6                    = try(each.value.cidr_ipv6, null)
   description                  = try(each.value.description, null)
-  from_port                    = try(each.value.from_port, null)
-  prefix_list_id               = lookup(each.value, "prefix_list_id", null)
-  referenced_security_group_id = lookup(each.value, "referenced_security_group_id", null) == "self" ? aws_security_group.this[0].id : lookup(each.value, "referenced_security_group_id", null)
-  to_port                      = try(each.value.to_port, null)
+  from_port                    = try(each.value.from_port, local.port)
+  prefix_list_id               = try(each.value.prefix_list_id, null)
+  referenced_security_group_id = try(each.value.referenced_security_group_id, null)
+  to_port                      = try(each.value.to_port, local.port)
 
   tags = merge(local.tags, var.security_group_tags, try(each.value.tags, {}))
 }
diff --git a/variables.tf b/variables.tf
index d157d04..830e616 100644
--- a/variables.tf
+++ b/variables.tf
@@ -425,8 +425,19 @@ variable "vpc_id" {
 
 variable "security_group_rules" {
   description = "Security group ingress and egress rules to add to the security group created"
-  type        = any
-  default     = {}
+  type = map(object({
+    type                         = optional(string, "ingress")
+    ip_protocol                  = optional(string, "tcp")
+    cidr_ipv4                    = optional(string)
+    cidr_ipv6                    = optional(string)
+    description                  = optional(string)
+    from_port                    = optional(number)
+    to_port                      = optional(number)
+    prefix_list_id               = optional(string)
+    referenced_security_group_id = optional(string)
+    tags                         = optional(map(string), {})
+  }))
+  default = {}
 }
 
 variable "security_group_tags" {
diff --git a/versions.tf b/versions.tf
index 6dda813..66099d3 100644
--- a/versions.tf
+++ b/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {
diff --git a/wrappers/versions.tf b/wrappers/versions.tf
index 6dda813..66099d3 100644
--- a/wrappers/versions.tf
+++ b/wrappers/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.3"
 
   required_providers {
     aws = {