diff --git a/hetzner-cloud/main.tf b/hetzner-cloud/main.tf
index ebf89e9..5ce33f1 100644
--- a/hetzner-cloud/main.tf
+++ b/hetzner-cloud/main.tf
@@ -68,7 +68,7 @@ data "coder_parameter" "instance_location" {
   name         = "instance_location"
   display_name = "Instance location"
   default      = "fsn1"
-  mutable      = false
+  mutable      = true
 
   option {
     name  = "Nuernberg"
@@ -103,6 +103,11 @@ data "coder_parameter" "instance_type" {
     value = "cpx11"
   }
 
+  option {
+    name  = "cax11"
+    value = "cax11"
+  }
+
   option {
     name  = "cx21"
     value = "cx21"
@@ -113,6 +118,11 @@ data "coder_parameter" "instance_type" {
     value = "cpx21"
   }
 
+  option {
+    name  = "cax21"
+    value = "cax21"
+  }
+
   option {
     name  = "cx31"
     value = "cx31"
@@ -123,6 +133,11 @@ data "coder_parameter" "instance_type" {
     value = "cpx31"
   }
 
+  option {
+    name  = "cax31"
+    value = "cax31"
+  }
+
   option {
     name  = "cx41"
     value = "cx41"
@@ -133,6 +148,11 @@ data "coder_parameter" "instance_type" {
     value = "cpx41"
   }
 
+  option {
+    name  = "cax41"
+    value = "cax41"
+  }
+
   option {
     name  = "cx51"
     value = "cx51"