diff --git a/kubernetes/apps/ai/grafana-mcp/app/helmrelease.yaml b/kubernetes/apps/ai/grafana-mcp/app/helmrelease.yaml
index a8288a7d..dd945512 100644
--- a/kubernetes/apps/ai/grafana-mcp/app/helmrelease.yaml
+++ b/kubernetes/apps/ai/grafana-mcp/app/helmrelease.yaml
@@ -24,7 +24,7 @@ spec:
             image:
               # No v-prefix and no ghcr mirror; Docker Hub is the only registry.
               repository: docker.io/grafana/mcp-grafana
-              tag: 1.3.0
+              tag: 1.4.2
             # Image ENTRYPOINT defaults to SSE on path /; override to
             # streamable-http and pin the endpoint path to the Service-DNS
             # convention (default is / which would 404).