diff --git a/skywalking/Dockerfile-elasticsearch b/skywalking/Dockerfile-elasticsearch
index cfb27b00..eb5ed9e8 100644
--- a/skywalking/Dockerfile-elasticsearch
+++ b/skywalking/Dockerfile-elasticsearch
@@ -1 +1 @@
-FROM elasticsearch:8.18.2@sha256:d29430e894e3722b11d2aad6f1b4158d760809f643f946351490a60b6f11cbfe
+FROM elasticsearch:9.4.0@sha256:64e9e6284652bbb345f12e3fc0e967c4c731a5161f36474be75194ea80260bfe