diff --git a/README.md b/README.md
index be5e4354..95dbcfbf 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ statement instead the previous block.
 
 | Name | Version |
 |------|---------|
-| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0.0 |
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0.0, <1.6.0 |
 | <a name="requirement_ibm"></a> [ibm](#requirement\_ibm) | >=1.57.0 |
 
 ### Modules
diff --git a/examples/default/version.tf b/examples/default/version.tf
index d90e965f..403dd1c0 100644
--- a/examples/default/version.tf
+++ b/examples/default/version.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0.0"
+  required_version = ">= 1.0.0, <1.6.0"
   required_providers {
     # Pin to the lowest provider version of the range defined in the main module's version.tf to ensure lowest version still works
     ibm = {
diff --git a/examples/devsecops-ci-toolchain-bring-your-own-app/version.tf b/examples/devsecops-ci-toolchain-bring-your-own-app/version.tf
index d90e965f..403dd1c0 100644
--- a/examples/devsecops-ci-toolchain-bring-your-own-app/version.tf
+++ b/examples/devsecops-ci-toolchain-bring-your-own-app/version.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0.0"
+  required_version = ">= 1.0.0, <1.6.0"
   required_providers {
     # Pin to the lowest provider version of the range defined in the main module's version.tf to ensure lowest version still works
     ibm = {
diff --git a/examples/devsecops-ci-toolchain-with-key-protect/version.tf b/examples/devsecops-ci-toolchain-with-key-protect/version.tf
index d90e965f..403dd1c0 100644
--- a/examples/devsecops-ci-toolchain-with-key-protect/version.tf
+++ b/examples/devsecops-ci-toolchain-with-key-protect/version.tf
@@ -1,5 +1,5 @@
 terraform {
-  required_version = ">= 1.0.0"
+  required_version = ">= 1.0.0, <1.6.0"
   required_providers {
     # Pin to the lowest provider version of the range defined in the main module's version.tf to ensure lowest version still works
     ibm = {
diff --git a/module-metadata.json b/module-metadata.json
index 0c222269..8b7e033c 100644
--- a/module-metadata.json
+++ b/module-metadata.json
@@ -5768,7 +5768,7 @@
     }
   },
   "required_core": [
-    "\u003e= 1.0.0"
+    "\u003e= 1.0.0, \u003c1.6.0"
   ],
   "required_providers": {
     "ibm": {
diff --git a/version.tf b/version.tf
index b9436e0b..f2163c61 100644
--- a/version.tf
+++ b/version.tf
@@ -1,6 +1,6 @@
 
 terraform {
-  required_version = ">= 1.0.0"
+  required_version = ">= 1.0.0, <1.6.0"
   required_providers {
     ibm = {
       source  = "IBM-Cloud/ibm"