diff --git a/Dockerfile b/Dockerfile
index 6b793b5..ac5268c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,3 +1,3 @@
-FROM docker.io/bitnami/fluentd:1.15.2-debian-11-r1
+FROM docker.io/bitnami/fluentd:1.15.3-debian-11-r1
 # hadolint ignore=DL3028
 RUN gem install fluent-plugin-remote_syslog fluent-plugin-record-modifier