diff --git a/modules/file-system/gke-storage/README.md b/modules/file-system/gke-storage/README.md
index f565bbf95f..7fed395063 100644
--- a/modules/file-system/gke-storage/README.md
+++ b/modules/file-system/gke-storage/README.md
@@ -91,7 +91,7 @@ limitations under the License.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
 
 ## Providers
 
diff --git a/modules/file-system/gke-storage/versions.tf b/modules/file-system/gke-storage/versions.tf
index 0b0dc1686e..8c9d09450c 100644
--- a/modules/file-system/gke-storage/versions.tf
+++ b/modules/file-system/gke-storage/versions.tf
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 terraform {
-  required_version = ">= 1.0"
+  required_version = ">= 1.5"
 
   provider_meta "google" {
     module_name = "blueprints/terraform/hpc-toolkit:gke-storage/v1.45.0"
diff --git a/modules/network/firewall-rules/README.md b/modules/network/firewall-rules/README.md
index 997a43d334..b17058daf4 100644
--- a/modules/network/firewall-rules/README.md
+++ b/modules/network/firewall-rules/README.md
@@ -69,7 +69,7 @@ limitations under the License.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
 | <a name="requirement_google"></a> [google](#requirement\_google) | >= 3.83 |
 
 ## Providers
diff --git a/modules/network/firewall-rules/versions.tf b/modules/network/firewall-rules/versions.tf
index e1774dc14d..e41135b11d 100644
--- a/modules/network/firewall-rules/versions.tf
+++ b/modules/network/firewall-rules/versions.tf
@@ -25,5 +25,5 @@ terraform {
     module_name = "blueprints/terraform/hpc-toolkit:firewall-rules/v1.45.0"
   }
 
-  required_version = ">= 1.3"
+  required_version = ">= 1.5"
 }
diff --git a/modules/network/pre-existing-subnetwork/README.md b/modules/network/pre-existing-subnetwork/README.md
index 15cc92db9e..4d63b17091 100644
--- a/modules/network/pre-existing-subnetwork/README.md
+++ b/modules/network/pre-existing-subnetwork/README.md
@@ -55,7 +55,7 @@ limitations under the License.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.14.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
 | <a name="requirement_google"></a> [google](#requirement\_google) | >= 3.83 |
 
 ## Providers
diff --git a/modules/network/pre-existing-subnetwork/versions.tf b/modules/network/pre-existing-subnetwork/versions.tf
index 01e1455233..9fa59e5e1d 100644
--- a/modules/network/pre-existing-subnetwork/versions.tf
+++ b/modules/network/pre-existing-subnetwork/versions.tf
@@ -25,5 +25,5 @@ terraform {
     module_name = "blueprints/terraform/hpc-toolkit:pre-existing-subnetwork/v1.45.0"
   }
 
-  required_version = ">= 0.14.0"
+  required_version = ">= 1.5"
 }
diff --git a/modules/network/pre-existing-vpc/README.md b/modules/network/pre-existing-vpc/README.md
index ecd4584ef5..38a1840c2d 100644
--- a/modules/network/pre-existing-vpc/README.md
+++ b/modules/network/pre-existing-vpc/README.md
@@ -67,7 +67,7 @@ limitations under the License.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 0.14.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
 | <a name="requirement_google"></a> [google](#requirement\_google) | >= 3.83 |
 
 ## Providers
diff --git a/modules/network/pre-existing-vpc/versions.tf b/modules/network/pre-existing-vpc/versions.tf
index a1e5318ab6..1cdf7342ce 100644
--- a/modules/network/pre-existing-vpc/versions.tf
+++ b/modules/network/pre-existing-vpc/versions.tf
@@ -25,5 +25,5 @@ terraform {
     module_name = "blueprints/terraform/hpc-toolkit:pre-existing-vpc/v1.45.0"
   }
 
-  required_version = ">= 0.14.0"
+  required_version = ">= 1.5"
 }
diff --git a/modules/scripts/startup-script/README.md b/modules/scripts/startup-script/README.md
index 48d79f872b..364225bdbd 100644
--- a/modules/scripts/startup-script/README.md
+++ b/modules/scripts/startup-script/README.md
@@ -282,7 +282,7 @@ limitations under the License.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.5 |
 | <a name="requirement_google"></a> [google](#requirement\_google) | >= 3.83 |
 | <a name="requirement_local"></a> [local](#requirement\_local) | >= 2.0.0 |
 | <a name="requirement_random"></a> [random](#requirement\_random) | ~> 3.0 |
diff --git a/modules/scripts/startup-script/versions.tf b/modules/scripts/startup-script/versions.tf
index 7620b150bb..8266685cdc 100644
--- a/modules/scripts/startup-script/versions.tf
+++ b/modules/scripts/startup-script/versions.tf
@@ -33,5 +33,5 @@ terraform {
     module_name = "blueprints/terraform/hpc-toolkit:startup-script/v1.45.0"
   }
 
-  required_version = ">= 1.3"
+  required_version = ">= 1.5"
 }