diff --git a/inventory.yml b/inventory.yml
index b2ed6cc..2fcf2b3 100644
--- a/inventory.yml
+++ b/inventory.yml
@@ -11,6 +11,12 @@ all:
     pottwal.n39.eu:
     radon.n39.eu:
     unicorn.n39.eu:
+    k3s-c1.n39.eu:
+    k3s-c2.n39.eu:
+    k3s-c3.n39.eu:
+    k3s-w1.n39.eu:
+    k3s-w2.n39.eu:
+    k3s-w3.n39.eu:
 
   children:
     docker_host:
@@ -28,6 +34,12 @@ all:
         pottwal.n39.eu:
         radon.n39.eu:
         unicorn.n39.eu:
+        k3s-c1.n39.eu:
+        k3s-c2.n39.eu:
+        k3s-c3.n39.eu:
+        k3s-w1.n39.eu:
+        k3s-w2.n39.eu:
+        k3s-w3.n39.eu:
     location_space:
       hosts:
         beaker.n39.eu:
@@ -40,6 +52,12 @@ all:
         radon.n39.eu:
         wittgenstein.n39.eu:
         unicorn.n39.eu:
+        k3s-c1.n39.eu:
+        k3s-c2.n39.eu:
+        k3s-c3.n39.eu:
+        k3s-w1.n39.eu:
+        k3s-w2.n39.eu:
+        k3s-w3.n39.eu:
     location_internet:
       hosts:
         tau.netz39.de: