diff --git a/terraform/.terraform-version b/terraform/.terraform-version
index a7ee35a3e..db77e0ee9 100644
--- a/terraform/.terraform-version
+++ b/terraform/.terraform-version
@@ -1 +1 @@
-1.8.3
+1.10.5
diff --git a/terraform/deployments/tfc-configuration/modules/search-api-v2/main.tf b/terraform/deployments/tfc-configuration/modules/search-api-v2/main.tf
index a15c14003..3db54c1c8 100644
--- a/terraform/deployments/tfc-configuration/modules/search-api-v2/main.tf
+++ b/terraform/deployments/tfc-configuration/modules/search-api-v2/main.tf
@@ -17,7 +17,7 @@ resource "tfe_workspace" "environment_workspace" {
   source_url  = "https://github.com/alphagov/search-v2-infrastructure/tree/main/terraform/meta"
 
   working_directory = "terraform/deployments/search-api-v2"
-  terraform_version = "~> 1.10.0"
+  terraform_version = "~> 1.10.5"
 
   # Only auto apply if there is no workspace defined that we need to wait for (in which case a
   # trigger will determine when to apply this workspace)
diff --git a/terraform/deployments/tfc-configuration/variables.tf b/terraform/deployments/tfc-configuration/variables.tf
index 8dd54b1cb..0d0a1ef4e 100644
--- a/terraform/deployments/tfc-configuration/variables.tf
+++ b/terraform/deployments/tfc-configuration/variables.tf
@@ -70,7 +70,7 @@ variable "workspace_tags" {
 variable "terraform_version" {
   type        = string
   description = "Version constraint for Terraform for this workspace."
-  default     = "~> 1.8.0"
+  default     = "~> 1.10.5"
 }
 
 variable "trigger_patterns" {