diff --git a/1/debian11/1.16/Dockerfile b/1/debian11/1.16/Dockerfile
index ac9dfc9..f7e5f04 100644
--- a/1/debian11/1.16/Dockerfile
+++ b/1/debian11/1.16/Dockerfile
@@ -24,12 +24,12 @@ FROM marketplace.gcr.io/google/c2d-debian11
 
 ARG DEBIAN_FRONTEND=noninteractive
 
-ENV FLUENTD_VERSION 1.16.2
+ENV FLUENTD_VERSION 1.16.3
 ENV RUBY_VERSION 2.7.0
 ENV RUBY_GPG 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
 ENV RVM_SHA256 7bbf79be95e516f72945e558a4290b40ff8714158140a00991d42172ff78e209
 
-ENV C2D_RELEASE=1.16.2
+ENV C2D_RELEASE=1.16.3
 
 COPY Gemfile.conf /Gemfile.conf
 
diff --git a/versions.yaml b/versions.yaml
index c328466..4cb66d2 100644
--- a/versions.yaml
+++ b/versions.yaml
@@ -1,4 +1,4 @@
-# Copyright 2023 Google LLC
+# Copyright 2024 Google LLC
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -20,7 +20,7 @@ versions:
   from: marketplace.gcr.io/google/c2d-debian11
   packages:
     fluentd:
-      version: 1.16.2
+      version: 1.16.3
     ruby:
       gpg: 409B6B1796C275462A1703113804BB82D39DC0E3 7D2BAF1CF37B13E2069D6956105BD0E739499BDB
       version: 2.7.0
@@ -28,10 +28,10 @@ versions:
       sha256: 7bbf79be95e516f72945e558a4290b40ff8714158140a00991d42172ff78e209
   repo: fluentd1
   tags:
-  - 1.16.2-debian11
+  - 1.16.3-debian11
   - 1.16-debian11
   - 1-debian11
-  - 1.16.2
+  - 1.16.3
   - '1.16'
   - '1'
   - latest