diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1e73456..66f79ed8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,21 @@ All notable changes to this project will be documented in this file.
 
 The changelog format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
+## [v1.4.0][v1.4.0] - 23-Sep-2025
+
+### Milestone: catapult-server@v1.0.3.9
+
+Package  | Version  | Link
+---|---|---
+REST Core| v2.5.1 | catapult-rest
+SDK Core| v2.0.6 | symbol-sdk
+
+[Upgrade] [#1206](https://github.com/symbol/explorer/pull/1206): Removed Statistic service and migrated to NodeWatch service
+
+[Upgrade] [#1204](https://github.com/symbol/explorer/pull/1204): Updated discord link.
+
+[Upgrade] Symbol-SDK to v2.0.6
+
 ## [v1.3.0][v1.3.0] - 9-Apr-2025
 Package  | Version  | Link
 ---|---|---
@@ -593,3 +608,4 @@ SDK Core| v0.20.7 | symbol-sdk
 [v1.2.2]: https://github.com/symbol/explorer/releases/tag/v1.2.2
 [v1.2.3]: https://github.com/symbol/explorer/releases/tag/v1.2.3
 [v1.3.0]: https://github.com/symbol/explorer/releases/tag/v1.3.0
+[v1.4.0]: https://github.com/symbol/explorer/releases/tag/v1.4.0
diff --git a/README.md b/README.md
index 40d48c9b..1c5d9cfd 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ The explorer supports searching for transactions, accounts, namespaces, mosaics,
 
 ## Requirements
 
-- Node.js 12 or above
+- Node.js v20
 
 ## Installation
 
diff --git a/package-lock.json b/package-lock.json
index 90ed4f71..db7b34c7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "symbol-explorer",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "symbol-explorer",
-      "version": "1.3.0",
+      "version": "1.4.0",
       "dependencies": {
         "@babel/plugin-proposal-optional-chaining": "^7.17.12",
         "@babel/plugin-proposal-pipeline-operator": "^7.18.2",
@@ -25,7 +25,7 @@
         "moment-timezone": "^0.5.35",
         "nem-sdk": "^1.6.8",
         "net": "^1.0.2",
-        "symbol-sdk": "^2.0.3",
+        "symbol-sdk": "^2.0.6",
         "tls": "^0.0.1",
         "url-parse": "^1.5.10",
         "vue": "^2.6.14",
@@ -76,8 +76,8 @@
         "webpack": "^5.97.1"
       },
       "engines": {
-        "node": ">=12.0",
-        "npm": ">=7"
+        "node": ">=20.0",
+        "npm": ">=10"
       }
     },
     "node_modules/@achrinza/node-ipc": {
@@ -23900,9 +23900,9 @@
       "integrity": "sha512-Md3/wkYLWTeJ/o99kXajW5dDs7Ok7AWfGRGDThb2bpC53KVxwnMl2ho/KUPT2Y+CeuIB62+Hgp9NtJLvgXYzHw=="
     },
     "node_modules/symbol-sdk": {
-      "version": "2.0.5",
-      "resolved": "https://registry.npmjs.org/symbol-sdk/-/symbol-sdk-2.0.5.tgz",
-      "integrity": "sha512-wAeTnk0W4Yca4LVFIpKk1lirs1g5HfHSAng7DatGCYugyRyuw4Bj3zKYgPq8r2TMpTHv8oPDo3v9mMA5FYvtVw==",
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/symbol-sdk/-/symbol-sdk-2.0.6.tgz",
+      "integrity": "sha512-Vx3yMTs3XnG0NJ3keqWuwni5b8kY4CEyOhLYS5VRWHMrO4xnANbrYXwgjF+jJqzWJkzkTwPiJAMaNaZUI88vZQ==",
       "license": "Apache-2.0",
       "dependencies": {
         "@js-joda/core": "^3.2.0",
diff --git a/package.json b/package.json
index eb06c82e..3a8e8a50 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "symbol-explorer",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Symbol Block and Network Explorer",
   "scripts": {
     "build": "vue-cli-service build",
@@ -31,7 +31,7 @@
     "moment-timezone": "^0.5.35",
     "nem-sdk": "^1.6.8",
     "net": "^1.0.2",
-    "symbol-sdk": "^2.0.3",
+    "symbol-sdk": "^2.0.6",
     "tls": "^0.0.1",
     "url-parse": "^1.5.10",
     "vue": "^2.6.14",
@@ -82,8 +82,8 @@
     "webpack": "^5.97.1"
   },
   "engines": {
-    "node": ">=12.0",
-    "npm": ">=7"
+    "node": ">=20.0",
+    "npm": ">=10"
   },
   "homepage": "https://github.com/nemgrouplimited/symbol-explorer"
 }