diff --git a/patches/disk.yaml b/patches/disk.yaml
new file mode 100644
index 0000000..333f3be
--- /dev/null
+++ b/patches/disk.yaml
@@ -0,0 +1,5 @@
+apiVersion: v1alpha1
+kind: VolumeConfig
+name: EPHEMERAL
+provisioning:
+  maxSize: 40GiB
diff --git a/talconfig.yaml b/talconfig.yaml
index c1213b3..1653c1d 100644
--- a/talconfig.yaml
+++ b/talconfig.yaml
@@ -22,3 +22,5 @@ nodes:
     installDisk: /dev/nvme0n1
     certSANs:
       - kube.sdg.moe
+    extraManifests:
+     - ./patches/disk.yaml