diff --git a/terraform/common/.terraform-version b/terraform/common/.terraform-version
index 46f7bc3..1282fff 100644
--- a/terraform/common/.terraform-version
+++ b/terraform/common/.terraform-version
@@ -1 +1 @@
-0.12.28
+0.15.5
diff --git a/terraform/dev/.terraform-version b/terraform/dev/.terraform-version
index 46f7bc3..1282fff 100644
--- a/terraform/dev/.terraform-version
+++ b/terraform/dev/.terraform-version
@@ -1 +1 @@
-0.12.28
+0.15.5
diff --git a/terraform/prod/.terraform-version b/terraform/prod/.terraform-version
index 46f7bc3..1282fff 100644
--- a/terraform/prod/.terraform-version
+++ b/terraform/prod/.terraform-version
@@ -1 +1 @@
-0.12.28
+0.15.5
diff --git a/terraform/stg/.terraform-version b/terraform/stg/.terraform-version
index 46f7bc3..1282fff 100644
--- a/terraform/stg/.terraform-version
+++ b/terraform/stg/.terraform-version
@@ -1 +1 @@
-0.12.28
+0.15.5