diff --git a/manifests/applications/tempo.yaml b/manifests/applications/tempo.yaml
index 54227764..3a9d3eb9 100644
--- a/manifests/applications/tempo.yaml
+++ b/manifests/applications/tempo.yaml
@@ -8,7 +8,7 @@ spec:
   source:
     repoURL: https://grafana.github.io/helm-charts
     chart: tempo
-    targetRevision: 1.3.1
+    targetRevision: 1.4.0
     helm:
       version: v3
       parameters: