diff --git a/charts/tubearchivist/Chart.yaml b/charts/tubearchivist/Chart.yaml
index fc2055e..036cc7e 100644
--- a/charts/tubearchivist/Chart.yaml
+++ b/charts/tubearchivist/Chart.yaml
@@ -17,6 +17,6 @@ dependencies:
     version: 19.1.2
     repository: https://charts.bitnami.com/bitnami
   - name: elasticsearch
-    version: 20.0.4
+    version: 21.0.1
     repository: https://charts.bitnami.com/bitnami
 appVersion: v0.4.7