diff --git a/Dockerfile b/Dockerfile
index 8846754..ea9983c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/opensearchproject/opensearch:2.13.0@sha256:2e954ff0e8c9d0f4868b4818150b3aecc92fbb0cc4a24d00dace38ada227291d
+FROM docker.io/opensearchproject/opensearch:3.6.0@sha256:57bd3c879ad27123a9a6cd75e2adba504189d3131d00a669f3baf9210bc4538c
 
 LABEL maintainer="ownCloud GmbH"
 LABEL org.opencontainers.image.authors="ownCloud GmbH"