diff --git a/k8s/argo-apps/elastic.yaml b/k8s/argo-apps/elastic.yaml
index b011907..cba79d5 100644
--- a/k8s/argo-apps/elastic.yaml
+++ b/k8s/argo-apps/elastic.yaml
@@ -12,7 +12,7 @@ spec:
   sources:
     - chart: elasticsearch
       repoURL: registry-1.docker.io/bitnamicharts
-      targetRevision: 21.3.17
+      targetRevision: 21.3.18
       helm:
         valuesObject:
           service: