diff --git a/terraform/modules/kitten-science-website/versions.tf b/terraform/modules/kitten-science-website/versions.tf
index f4b28d7..a45cda2 100644
--- a/terraform/modules/kitten-science-website/versions.tf
+++ b/terraform/modules/kitten-science-website/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">=1.6.4"
+  required_version = "1.6.6"
 
   required_providers {
     archive = {
diff --git a/terraform/versions.tf b/terraform/versions.tf
index 650333b..6a516fa 100644
--- a/terraform/versions.tf
+++ b/terraform/versions.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">=1.6.4"
+  required_version = "1.6.6"
 
   required_providers {
     archive = {