diff --git a/docs/_releasenotes/2222.change.prometheus-blackbox-exporter-updated-to-11.6.0 b/docs/_releasenotes/2222.change.prometheus-blackbox-exporter-updated-to-11.6.0
new file mode 100644
index 0000000000000000000000000000000000000000..bfd74b9be88dcbfb9ff42f2605125f29138a5154
--- /dev/null
+++ b/docs/_releasenotes/2222.change.prometheus-blackbox-exporter-updated-to-11.6.0
@@ -0,0 +1 @@
+Updated default version of helm chart prometheus-blackbox-exporter of https://github.com/prometheus-community/helm-charts from 11.4.1 to 11.6.0
diff --git a/docs/user/reference/options/yk8s.k8s-service-layer.prometheus.rst b/docs/user/reference/options/yk8s.k8s-service-layer.prometheus.rst
index 9701313b4b5a1a2c0541cd6f12736d4357b2932f..ce654fbe47496015b19addd3be7304e7e336262b 100644
--- a/docs/user/reference/options/yk8s.k8s-service-layer.prometheus.rst
+++ b/docs/user/reference/options/yk8s.k8s-service-layer.prometheus.rst
@@ -274,7 +274,7 @@ If the version shall be unpinned, set to: ``null``.
 
 **Default:**::
 
-  "11.4.1"
+  "11.6.0"
 
 
 **Example:**::
diff --git a/nix/yk8s/k8s-supplements/monitoring.nix b/nix/yk8s/k8s-supplements/monitoring.nix
index 78ea623cb094c804e3acf0c61d5c0ed435f9f040..1ba40d2972003de69be0e8906b4db0decbf5a8ea 100644
--- a/nix/yk8s/k8s-supplements/monitoring.nix
+++ b/nix/yk8s/k8s-supplements/monitoring.nix
@@ -431,7 +431,7 @@ in {
     };
     blackbox_version = mkHelmChartVersionOption {
       # renovate: datasource=helm depName=prometheus-blackbox-exporter registryUrl=https://prometheus-community.github.io/helm-charts
-      default = "11.4.1";
+      default = "11.6.0";
     };
     allow_external_rules = mkEnableOption ''
       external rules.