diff --git a/firewall-rule/versions.tf b/firewall-rule/versions.tf
index b7fdacb..b1db7c7 100644
--- a/firewall-rule/versions.tf
+++ b/firewall-rule/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> v1.6.2"
+  required_version = "~> v1.6.0"
 
   required_providers {
     google = {
diff --git a/network/versions.tf b/network/versions.tf
index b7fdacb..b1db7c7 100644
--- a/network/versions.tf
+++ b/network/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> v1.6.2"
+  required_version = "~> v1.6.0"
 
   required_providers {
     google = {
diff --git a/subnetwork/versions.tf b/subnetwork/versions.tf
index b7fdacb..b1db7c7 100644
--- a/subnetwork/versions.tf
+++ b/subnetwork/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = "~> v1.6.2"
+  required_version = "~> v1.6.0"
 
   required_providers {
     google = {