diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17f0c38..ddb1ae6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [0.4.0](https://git.personal.ksv741.ru/WealthLedger/frontend/compare/v0.3.0...v0.4.0) (2026-09-26)
+
+### Features
+
+* show persisted investment data and sync state ([4e5f564](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/4e5f564fa1d583013fb3e7febdb3baa9737446b4))
+
+### Bug Fixes
+
+* **api:** update validation and conflict response contract ([db184c8](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/db184c8caec01609e8a3df3b16097ce634e5eff0))
+* **auth:** isolate session races and financial caches ([a209d71](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/a209d715892862bb6d48084df0c84a10b8d56bf1))
+* **ci:** resume verification of immutable release images ([6a87379](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/6a87379813ba1d4002779b23b2a65446b4d10258))
+* **ui:** improve financial text contrast ([c86be7b](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/c86be7bf73d0141e0606d259ada6453c0d8e3dec))
+
+### Refactoring
+
+* colocate frontend component files ([b987fd8](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/b987fd8e780963dfe1dde0c714232697a52e0475))
+* establish local frontend workspace boundaries ([85fcfe3](https://git.personal.ksv741.ru/WealthLedger/frontend/commit/85fcfe3d073f80e759dafb14281c9462c1d7410d))
+
 ## [0.3.0](https://git.personal.ksv741.ru/WealthLedger/frontend/compare/v0.2.3...v0.3.0) (2026-09-20)
 
 ### Features
diff --git a/package-lock.json b/package-lock.json
index 3205fa6..0ac4bc4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "wealth-ledger-frontend",
-	"version": "0.3.0",
+	"version": "0.4.0",
 	"lockfileVersion": 3,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "wealth-ledger-frontend",
-			"version": "0.3.0",
+			"version": "0.4.0",
 			"workspaces": [
 				"packages/*"
 			],
diff --git a/package.json b/package.json
index d0a529b..b8ec252 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "wealth-ledger-frontend",
 	"private": true,
-	"version": "0.3.0",
+	"version": "0.4.0",
 	"type": "module",
 	"engines": {
 		"node": "24.21.0"