diff --git a/ansible/group_vars/all/oas.yml b/ansible/group_vars/all/oas.yml
index aeca86b6a14e9b07fdd615c13aba0c07b240af62..6a66fcf5bfc5d5fff628e91dcadf0c977c256913 100644
--- a/ansible/group_vars/all/oas.yml
+++ b/ansible/group_vars/all/oas.yml
@@ -13,7 +13,7 @@ flux:
 
 k3s:
   # https://github.com/k3s-io/k3s/releases
-  version: 'v1.21.2+k3s1'
+  version: 'v1.21.5+k3s2'
   # args to start the k3s server with
   # https://rancher.com/docs/k3s/latest/en/installation/install-options/server-config/
   # kubelet arguments can be passed with `--kubelet-arg`
diff --git a/flux2/apps/monitoring/kube-prometheus-stack-values-configmap.yaml b/flux2/apps/monitoring/kube-prometheus-stack-values-configmap.yaml
index a1095fc15dff900c8ffc357968ad1628c3a95a18..8265d6bc1e2a5ef019e996cda842fedc56c018e3 100644
--- a/flux2/apps/monitoring/kube-prometheus-stack-values-configmap.yaml
+++ b/flux2/apps/monitoring/kube-prometheus-stack-values-configmap.yaml
@@ -96,6 +96,8 @@ data:
     prometheus:
       # https://github.com/prometheus-community/helm-charts/tree/main/charts/prometheus
       prometheusSpec:
+        logLevel: debug
+        queryLogFile: /dev/stdout
         scrapeInterval: "3m"
         evaluationInterval: "3m"
         retention: "30d"