diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a0925b0..727e21c 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/antonbabenko/pre-commit-terraform
-    rev: v1.68.1
+    rev: v1.74.1
     hooks:
       - id: terraform_fmt
       - id: terraform_validate
@@ -23,7 +23,7 @@ repos:
           - '--args=--only=terraform_standard_module_structure'
           - '--args=--only=terraform_workspace_remote'
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.2.0
+    rev: v4.3.0
     hooks:
       - id: check-merge-conflict
       - id: end-of-file-fixer
diff --git a/examples/mysql_iam_cluster/main.tf b/examples/mysql_iam_cluster/main.tf
index 4a45909..ef274d6 100644
--- a/examples/mysql_iam_cluster/main.tf
+++ b/examples/mysql_iam_cluster/main.tf
@@ -47,7 +47,7 @@ module "rds_proxy" {
   }
 
   secrets = {
-    "${local.db_username}" = {
+    (local.db_username) = {
       description = aws_secretsmanager_secret.superuser.description
       arn         = aws_secretsmanager_secret.superuser.arn
       kms_key_id  = aws_secretsmanager_secret.superuser.kms_key_id
diff --git a/examples/mysql_iam_instance/main.tf b/examples/mysql_iam_instance/main.tf
index 77aef11..53348a4 100644
--- a/examples/mysql_iam_instance/main.tf
+++ b/examples/mysql_iam_instance/main.tf
@@ -47,7 +47,7 @@ module "rds_proxy" {
   }
 
   secrets = {
-    "${local.db_username}" = {
+    (local.db_username) = {
       description = aws_secretsmanager_secret.superuser.description
       arn         = aws_secretsmanager_secret.superuser.arn
       kms_key_id  = aws_secretsmanager_secret.superuser.kms_key_id
diff --git a/examples/postgresql_iam_cluster/main.tf b/examples/postgresql_iam_cluster/main.tf
index 9847c5e..26f85f1 100644
--- a/examples/postgresql_iam_cluster/main.tf
+++ b/examples/postgresql_iam_cluster/main.tf
@@ -47,7 +47,7 @@ module "rds_proxy" {
   }
 
   secrets = {
-    "${local.db_username}" = {
+    (local.db_username) = {
       description = aws_secretsmanager_secret.superuser.description
       arn         = aws_secretsmanager_secret.superuser.arn
       kms_key_id  = aws_secretsmanager_secret.superuser.kms_key_id
diff --git a/examples/postgresql_iam_instance/main.tf b/examples/postgresql_iam_instance/main.tf
index 4f3014e..7dc47c9 100644
--- a/examples/postgresql_iam_instance/main.tf
+++ b/examples/postgresql_iam_instance/main.tf
@@ -47,7 +47,7 @@ module "rds_proxy" {
   }
 
   secrets = {
-    "${local.db_username}" = {
+    (local.db_username) = {
       description = aws_secretsmanager_secret.superuser.description
       arn         = aws_secretsmanager_secret.superuser.arn
       kms_key_id  = aws_secretsmanager_secret.superuser.kms_key_id