diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 203b3fe..39bf2bd 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{"charts/openshift-routes":"1.0.2","charts/sftpgo-stack":"1.2.2","charts/grafana":"1.0.2","charts/alloy":"1.1.3","charts/hoppscotch":"1.0.0","charts/keycloak":"1.0.0","charts/pgadmin":"1.0.0","charts/tempo":"1.0.0","charts/otel-collectors":"1.0.0","charts/prometheus":"1.0.0","charts/loki":"1.1.0","charts/alertmanager":"1.0.0","charts/jenkins":"1.0.0","charts/elastic-alertmanager-connector":"1.0.0","charts/gatekeeper-constraints":"1.0.0"}
+{"charts/openshift-routes":"1.0.2","charts/sftpgo-stack":"1.2.2","charts/grafana":"1.0.2","charts/alloy":"1.1.3","charts/hoppscotch":"1.0.0","charts/keycloak":"1.0.0","charts/pgadmin":"1.0.0","charts/tempo":"1.0.0","charts/otel-collectors":"1.0.0","charts/prometheus":"1.1.0","charts/loki":"1.1.0","charts/alertmanager":"1.0.0","charts/jenkins":"1.0.0","charts/elastic-alertmanager-connector":"1.0.0","charts/gatekeeper-constraints":"1.0.0"}
diff --git a/charts/prometheus/CHANGELOG.md b/charts/prometheus/CHANGELOG.md
index 23e7110..5c5d87f 100644
--- a/charts/prometheus/CHANGELOG.md
+++ b/charts/prometheus/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.1.0](https://github.com/MapColonies/helm-charts-new/compare/prometheus-v1.0.0...prometheus-v1.1.0) (2026-06-15)
+
+
+### 🎉 Features
+
+* **prometheus:** Update prometheus chart version to 3.11.0 MAPCO-10774 ([#91](https://github.com/MapColonies/helm-charts-new/issues/91)) ([d30e28b](https://github.com/MapColonies/helm-charts-new/commit/d30e28bada2fa4daf9d1fe69592af80baaa508db))
+
 ## 1.0.0 (2026-03-24)
 
 
diff --git a/charts/prometheus/Chart.yaml b/charts/prometheus/Chart.yaml
index 3d96245..5c069b4 100644
--- a/charts/prometheus/Chart.yaml
+++ b/charts/prometheus/Chart.yaml
@@ -4,7 +4,7 @@ description: A Helm chart for Prometheus
 annotations:
   domain: infra
 type: application
-version: 1.0.0
+version: 1.1.0
 appVersion: v3.11.0
 dependencies:
   - name: prometheus