diff --git a/cluster/terraform_kubernetes/config/test.tfvars.json b/cluster/terraform_kubernetes/config/test.tfvars.json
index b619c662..d14adbcb 100644
--- a/cluster/terraform_kubernetes/config/test.tfvars.json
+++ b/cluster/terraform_kubernetes/config/test.tfvars.json
@@ -48,7 +48,7 @@
   "enable_lowpriority_app": true,
   "lowpriority_app_cpu": "0.5",
   "lowpriority_app_mem": "1Gi",
-  "prometheus_app_mem": "12Gi",
+  "prometheus_app_mem": "14Gi",
   "prometheus_app_cpu": "0.5",
   "thanos_querier_mem": "2Gi",
   "thanos_store_mem": "5Gi",