diff --git a/charts/monitoring/Chart.lock b/charts/monitoring/Chart.lock
index a0644b15a7..a177ec00e8 100644
--- a/charts/monitoring/Chart.lock
+++ b/charts/monitoring/Chart.lock
@@ -4,6 +4,6 @@ dependencies:
   version: 9.2.7
 - name: prometheus
   repository: https://prometheus-community.github.io/helm-charts
-  version: 25.29.0
-digest: sha256:57eeb88d6d6879d7e57ab822ffabd13dc770a55db6da0d68919ffa611db7d4dc
-generated: "2025-06-18T20:34:02.728543552Z"
+  version: 29.21.0
+digest: sha256:ed2d286e57aefe5858a3d0986e81f6940643fe5833f02e894bdecdb561d3d806
+generated: "2026-08-02T11:24:00.086938343Z"
diff --git a/charts/monitoring/Chart.yaml b/charts/monitoring/Chart.yaml
index e836231690..e12fb7cd2a 100644
--- a/charts/monitoring/Chart.yaml
+++ b/charts/monitoring/Chart.yaml
@@ -24,4 +24,4 @@ dependencies:
     version: 9.2.7
   - name: prometheus
     repository: https://prometheus-community.github.io/helm-charts
-    version: 25.29.0
+    version: 29.21.0