diff --git a/terraform/examples/gcp-taxi-template/vars.tf b/terraform/examples/gcp-taxi-template/vars.tf
index 0d18242..d2a36cf 100644
--- a/terraform/examples/gcp-taxi-template/vars.tf
+++ b/terraform/examples/gcp-taxi-template/vars.tf
@@ -42,3 +42,11 @@ variable "pilosa_cluster_size" {
 variable "min_cpu_platform" {
   default = ""
 }
+
+variable "pilosa_disk_size_gb" {
+  default = 200
+}
+
+variable "agent_disk_size_gb" {
+  default = 200
+}
diff --git a/terraform/examples/gcp-taxi-template/vars.tfvars.example b/terraform/examples/gcp-taxi-template/vars.tfvars.example
index ca947d4..b07e58b 100644
--- a/terraform/examples/gcp-taxi-template/vars.tfvars.example
+++ b/terraform/examples/gcp-taxi-template/vars.tfvars.example
@@ -6,3 +6,5 @@ agent_machine_type="n1-standard-1"
 pilosa_image="ubuntu-os-cloud/ubuntu-1804-lts"
 agent_image="ubuntu-os-cloud/ubuntu-1804-lts"
 pilosa_cluster_size=2
+pilosa_disk_size_gb=200
+agent_disk_size_gb=200
diff --git a/terraform/gcp/agent/main.tf b/terraform/gcp/agent/main.tf
index b9c04f0..8b59d8d 100644
--- a/terraform/gcp/agent/main.tf
+++ b/terraform/gcp/agent/main.tf
@@ -8,6 +8,7 @@ resource "google_compute_instance" "agent" {
   boot_disk {
     initialize_params {
       image = "${var.image}"
+      size = "${var.agent_disk_size_gb}"
     }
   }
 
diff --git a/terraform/gcp/agent/vars.tf b/terraform/gcp/agent/vars.tf
index d8aa94c..43e54cc 100644
--- a/terraform/gcp/agent/vars.tf
+++ b/terraform/gcp/agent/vars.tf
@@ -31,3 +31,6 @@ variable "min_cpu_platform" {
   default = ""
 }
 
+variable "agent_disk_size_gb" {
+  default = 200
+}
diff --git a/terraform/gcp/agent/vars.tfvars.example b/terraform/gcp/agent/vars.tfvars.example
index 9fbfc1c..5562189 100644
--- a/terraform/gcp/agent/vars.tfvars.example
+++ b/terraform/gcp/agent/vars.tfvars.example
@@ -5,3 +5,4 @@ network_name="default"
 machine_type="n1-standard-1"
 image="ubuntu-os-cloud/ubuntu-1804-lts"
 ssh_public_key="~/.ssh/id_rsa.pub"
+agent_disk_size_gb=200
\ No newline at end of file
diff --git a/terraform/gcp/pilosa/main.tf b/terraform/gcp/pilosa/main.tf
index 740cd5e..97ba3ee 100644
--- a/terraform/gcp/pilosa/main.tf
+++ b/terraform/gcp/pilosa/main.tf
@@ -8,6 +8,7 @@ resource "google_compute_instance" "pilosa" {
   boot_disk {
     initialize_params {
       image = "${var.image}"
+      size = "${var.pilosa_disk_size_gb}"
     }
   }
 
diff --git a/terraform/gcp/pilosa/vars.tf b/terraform/gcp/pilosa/vars.tf
index 6253a32..b878a43 100644
--- a/terraform/gcp/pilosa/vars.tf
+++ b/terraform/gcp/pilosa/vars.tf
@@ -33,3 +33,8 @@ variable "pilosa_cluster_size" {
 variable "min_cpu_platform" {
   default = ""
 }
+
+variable "pilosa_disk_size_gb" {
+  default = 200
+}
+
diff --git a/terraform/gcp/pilosa/vars.tfvars.example b/terraform/gcp/pilosa/vars.tfvars.example
index be03c07..856c27f 100644
--- a/terraform/gcp/pilosa/vars.tfvars.example
+++ b/terraform/gcp/pilosa/vars.tfvars.example
@@ -4,3 +4,5 @@ region="us-central1"
 machine_type="n1-standard-1"
 image="ubuntu-os-cloud/ubuntu-1804-lts"
 pilosa_cluster_size=2
+pilosa_disk_size_gb=200
+