diff --git a/CHANGELOG.md b/CHANGELOG.md
index 582676a..c24aa20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to this project will be documented in this file.
 
+## 2.16.4 - 2026-10-22
+
+### Changed
+
+- Updated web and player container images to Node.js 26.12.1 to address the October 2026 security releases.
+
 ## 2.16.3 - 2026-10-21
 
 ### Changed
diff --git a/build/Dockerfile b/build/Dockerfile
index 2d0ef44..268081e 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:26-alpine
+FROM node:26.12.1-alpine
 
 WORKDIR /app
 
diff --git a/build/Dockerfile.player b/build/Dockerfile.player
index 88abb4f..343f411 100644
--- a/build/Dockerfile.player
+++ b/build/Dockerfile.player
@@ -1,4 +1,4 @@
-FROM node:26-alpine
+FROM node:26.12.1-alpine
 
 WORKDIR /app
 
diff --git a/build/package.player.json b/build/package.player.json
index 7d24a3e..ee95ea7 100644
--- a/build/package.player.json
+++ b/build/package.player.json
@@ -1,10 +1,10 @@
 {
   "name": "pulse-signage-player",
-  "version": "2.16.3",
+  "version": "2.16.4",
   "private": false,
   "description": "Pulse Signage player application bundle",
   "engines": {
-    "node": ">=26.0.0"
+    "node": ">=26.12.1"
   },
   "main": "src/common.js",
   "imports": {
diff --git a/build/package.web.json b/build/package.web.json
index bc080ba..d887202 100644
--- a/build/package.web.json
+++ b/build/package.web.json
@@ -1,10 +1,10 @@
 {
   "name": "pulse-signage-web",
-  "version": "2.16.3",
+  "version": "2.16.4",
   "private": false,
   "description": "Pulse Signage web and bridge application bundle",
   "engines": {
-    "node": ">=26.0.0"
+    "node": ">=26.12.1"
   },
   "main": "src/common.js",
   "imports": {
diff --git a/package-lock.json b/package-lock.json
index d6a3781..0e7536b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "pulse-signage",
-  "version": "2.16.3",
+  "version": "2.16.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "pulse-signage",
-      "version": "2.16.3",
+      "version": "2.16.4",
       "dependencies": {
         "animate.css": "^4.1.1",
         "bootstrap-icons": "1.13.1",
@@ -28,7 +28,7 @@
         "nodemon": "^3.1.10"
       },
       "engines": {
-        "node": ">=26.0.0"
+        "node": ">=26.12.1"
       }
     },
     "node_modules/@emnapi/runtime": {
diff --git a/package.json b/package.json
index 2e5a8b3..ee636eb 100644
--- a/package.json
+++ b/package.json
@@ -1,10 +1,10 @@
 {
   "name": "pulse-signage",
-  "version": "2.16.3",
+  "version": "2.16.4",
   "private": false,
   "description": "Pulse Signage application with MySQL and media storage",
   "engines": {
-    "node": ">=26.0.0"
+    "node": ">=26.12.1"
   },
   "repository": {
     "type": "git",