diff --git a/prepare-labs/konk.sh b/prepare-labs/konk.sh
index 4a538697..751cedc0 100755
--- a/prepare-labs/konk.sh
+++ b/prepare-labs/konk.sh
@@ -5,6 +5,9 @@
 # 10% CPU
 # (See https://docs.google.com/document/d/1n0lwp6rQKQUIuo_A5LQ1dgCzrmjkDjmDtNj1Jn92UrI)
 # PRO2-XS = 4 core, 16 gb
+# Note that we also need 2 volumes per vcluster (one for vcluster itself, one for shpod),
+# so we might hit the maximum number of volumes per node!
+# (TODO: check what that limit is on Scaleway and Linode)
 #
 # With vspod:
 # 800 MB RAM
@@ -15,7 +18,7 @@ set -e
 
 KONKTAG=konk
 PROVIDER=linode
-STUDENTS=5
+STUDENTS=2
 
 case "$PROVIDER" in
 linode)
diff --git a/prepare-labs/terraform/one-kubernetes/vcluster/main.tf b/prepare-labs/terraform/one-kubernetes/vcluster/main.tf
index cb948de0..a0feff00 100644
--- a/prepare-labs/terraform/one-kubernetes/vcluster/main.tf
+++ b/prepare-labs/terraform/one-kubernetes/vcluster/main.tf
@@ -4,7 +4,7 @@ resource "helm_release" "_" {
   create_namespace = true
   repository       = "https://charts.loft.sh"
   chart            = "vcluster"
-  version          = "0.27.1"
+  version          = "0.30.4"
   values = [
     yamlencode({
       controlPlane = {