diff --git a/infra/vultr-kubernetes/backend.tf b/infra/vultr-kubernetes/backend.tf
index e97929e..cb55c07 100644
--- a/infra/vultr-kubernetes/backend.tf
+++ b/infra/vultr-kubernetes/backend.tf
@@ -13,7 +13,7 @@ terraform {
     }
     vultr = {
       source = "vultr/vultr"
-      version = "2.19.0"
+      version = "2.22.1"
     }
   }
 }
diff --git a/infra/vultr-kubernetes/variables.tf b/infra/vultr-kubernetes/variables.tf
index 60446dd..50c2fea 100644
--- a/infra/vultr-kubernetes/variables.tf
+++ b/infra/vultr-kubernetes/variables.tf
@@ -37,8 +37,3 @@ variable cluster {
 variable lab_domain {
   type = string
 }
-
-variable lb_ip4 {
-  type = string
-}
-
diff --git a/infra/vultr-kubernetes/variables.tfvars b/infra/vultr-kubernetes/variables.tfvars
index 7f2d869..edda644 100644
--- a/infra/vultr-kubernetes/variables.tfvars
+++ b/infra/vultr-kubernetes/variables.tfvars
@@ -2,7 +2,7 @@
 cluster = {
   region = "lax"
   label   = "athens-cluster"
-  version = "v1.30.0+1"
+  version = "v1.31.2+1"
   pool = {
 	  plan =  "vc2-1c-2gb"
 	  autoscale = true
@@ -12,7 +12,3 @@ cluster = {
 }
 
 lab_domain = "temprah-lab.xyz"
-
-lb_ip4 = "45.32.68.232"
-
-