diff --git a/terraform/.terraform.lock.hcl b/terraform/.terraform.lock.hcl
index d8bca0e5..27b87284 100644
--- a/terraform/.terraform.lock.hcl
+++ b/terraform/.terraform.lock.hcl
@@ -62,22 +62,22 @@ provider "registry.terraform.io/hashicorp/azuread" {
 }
 
 provider "registry.terraform.io/hashicorp/azurerm" {
-  version     = "4.16.0"
-  constraints = "~> 4.0"
+  version     = "4.26.0"
+  constraints = "~> 4.0, ~> 4.26"
   hashes = [
-    "h1:uulWiJ93kZmKKh6/EtHktJQ901npRmTb/ao7oTP402w=",
-    "zh:2035e461a94bd4180557a06f8e56f228a8a035608d0dac4d08e5870cf9265276",
-    "zh:3f15778a22ef1b9d0fa28670e5ea6ef1094b0be2533f43f350a2ef15d471b353",
-    "zh:4f1a4d03b008dd958bcd6bf82cf088fbaa9c121be2fd35e10e6b06c6e8f6aaa1",
-    "zh:5859f31c342364e849b4f8c437a46f33e927fa820244d0732b8d2ec74a95712d",
-    "zh:693d0f15512ca8c6b5e999b3a7551503feb06b408b3836bc6a6403e518b9ddab",
-    "zh:7f4912bec5b04f5156935292377c12484c13582151eb3c2555df409a7e5fb6e0",
-    "zh:bb9a509497f3a131c52fac32348919bf1b9e06c69a65f24607b03f7b56fb47b6",
-    "zh:c1b0c64e49ac591fd038ad71e71403ff71c07476e27e8da718c29f0028ea6d0d",
-    "zh:dd4ca432ee14eb0bb0cdc0bb463c8675b8ef02497be870a20d8dfee3e7fe52b3",
-    "zh:df58bb7fea984d2b11709567842ca4d55b3f24e187aa6be99e3677f55cbbe7da",
+    "h1:Vdylhj5W0M+J62bOOdvVUlmGB7M5TfaNRcThdb8ydcc=",
+    "zh:0e381bace81028596d60e253bc320bf62d00ae2ec207d7c7e70cdbec5f543334",
+    "zh:32c8cf70e476a4d0e0a2d4cb94b4a4e95c287c5972ca1e8c0f37dc629fbe31cb",
+    "zh:568ebaa4c66fc668dc14c8ff323e47fc7b2ac3b5a5d9eec612de2b6a30164f4c",
+    "zh:596c218810ffb85bc7224574b6ba6dbab9295bfa7490eac98c5ff88beae75710",
+    "zh:75a0e5b60f24684d62944714deb1c790b17c8d4acc93b5cdb45a8187d887b7f1",
+    "zh:7d2abea6ab66a08fed7d1ab8d4f3a8344fe7e2ac76d7409a3e40e8c066df6f22",
+    "zh:7f4db75991fd610b2c0306226e5e1916d4b633cdb0126bc78951dce2365b3418",
+    "zh:95fe307defb6e0dc172855fa597140f3da96655b3c558c140ae51a4a6077f58d",
+    "zh:ae07cdd3c658c0e24d45f1cfadf8b085b18981bcd72a20093ce3f042ed0adf3f",
+    "zh:d2a471b9e42499a7247f873aebd5cbc8df0c6691f02a5c9b556aa00045c06869",
+    "zh:e0299c0f6eae2b1c935f552f76fc49a2e61975eeda9410e3920a004b74d9e750",
     "zh:f569b65999264a9416862bca5cd2a6177d94ccb0424f3a4ef424428912b9cb3c",
-    "zh:f7fb37704da50c096f9c7c25e8a95fe73ce1d3c5aab0d616d506f07bc5cfcdd8",
   ]
 }
 
diff --git a/terraform/README.md b/terraform/README.md
index d757f8c0..45865194 100644
--- a/terraform/README.md
+++ b/terraform/README.md
@@ -137,7 +137,7 @@ No providers.
 
 | Name | Source | Version |
 |------|--------|---------|
-| <a name="module_azure_container_apps_hosting"></a> [azure\_container\_apps\_hosting](#module\_azure\_container\_apps\_hosting) | github.com/DFE-Digital/terraform-azurerm-container-apps-hosting | v1.17.2 |
+| <a name="module_azure_container_apps_hosting"></a> [azure\_container\_apps\_hosting](#module\_azure\_container\_apps\_hosting) | github.com/DFE-Digital/terraform-azurerm-container-apps-hosting | v1.19.1 |
 | <a name="module_azurerm_key_vault"></a> [azurerm\_key\_vault](#module\_azurerm\_key\_vault) | github.com/DFE-Digital/terraform-azurerm-key-vault-tfvars | v0.5.1 |
 | <a name="module_statuscake-tls-monitor"></a> [statuscake-tls-monitor](#module\_statuscake-tls-monitor) | github.com/dfe-digital/terraform-statuscake-tls-monitor | v0.1.5 |
 
diff --git a/terraform/container-apps-hosting.tf b/terraform/container-apps-hosting.tf
index 62882b16..10f4c06a 100644
--- a/terraform/container-apps-hosting.tf
+++ b/terraform/container-apps-hosting.tf
@@ -1,5 +1,5 @@
 module "azure_container_apps_hosting" {
-  source = "github.com/DFE-Digital/terraform-azurerm-container-apps-hosting?ref=v1.17.2"
+  source = "github.com/DFE-Digital/terraform-azurerm-container-apps-hosting?ref=v1.19.1"
 
   environment    = local.environment
   project_name   = local.project_name