diff --git a/kubernetes/apps/home-assistant/deployment.yaml b/kubernetes/apps/home-assistant/deployment.yaml
index 714302ca..ce18295a 100644
--- a/kubernetes/apps/home-assistant/deployment.yaml
+++ b/kubernetes/apps/home-assistant/deployment.yaml
@@ -189,12 +189,15 @@ spec:
               port: http
             periodSeconds: 10
             timeoutSeconds: 5
+          # ~10k entities. The legacy HAOS VM ran this workload with 16Gi;
+          # the 4Gi limit OOM-looped (working set ~3.9Gi, tipped over on
+          # morning load spikes). 8Gi on the resized k8s-edge VM (12Gi).
           resources:
             requests:
               cpu: 500m
-              memory: 1Gi
+              memory: 2Gi
             limits:
-              memory: 4Gi
+              memory: 8Gi
           securityContext:
             privileged: true
         # Reverse-proxy sidecar. ingress-nginx → :8124 → 127.0.0.1:8123.
diff --git a/opentofu/vm_153_k8s_edge.tf b/opentofu/vm_153_k8s_edge.tf
index 1fe8480f..163bb375 100644
--- a/opentofu/vm_153_k8s_edge.tf
+++ b/opentofu/vm_153_k8s_edge.tf
@@ -21,7 +21,12 @@ module "k8s_edge" {
   name        = "k8s-edge.srv.renner.uno"
   target_node = "neptune"
   vmid        = 153
-  memory      = 6144
+  # ~10k-entity HA at 4Gi pod limit OOM-looped (see deployment.yaml). The
+  # legacy HAOS VM 103 that ran this same workload had 16Gi; bump this VM so
+  # the HA pod can have an 8Gi limit with headroom for the other pinned pods
+  # (matter-server, otbr, zwave-js, music-assistant). Freed RAM comes from
+  # the now-stopped VM 103.
+  memory      = 12288
   cores       = 2
 
   template_name = null