diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 816df2d..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.1"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 72ebe2a..c8403ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/rtk-ai/vox/compare/v0.3.1...v0.4.0) (2026-02-12)
+
+
+### Features
+
+* add sound pack system (peon-ping compatible) ([#18](https://github.com/rtk-ai/vox/issues/18)) ([b048487](https://github.com/rtk-ai/vox/commit/b048487a7f897b4bee0b5f4fb1ffc484d36873d1))
+
 ## [0.3.1](https://github.com/rtk-ai/vox/compare/v0.3.0...v0.3.1) (2026-02-10)
 
 
diff --git a/Cargo.lock b/Cargo.lock
index 0969a35..28f4e35 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3750,7 +3750,7 @@ dependencies = [
 
 [[package]]
 name = "vox"
-version = "0.3.1"
+version = "0.4.0"
 dependencies = [
  "anyhow",
  "assert_cmd",
diff --git a/Cargo.toml b/Cargo.toml
index a1ec027..c476535 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "vox"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2024"
 description = "Cross-platform TTS CLI — local voice synthesis with Qwen and system say"
 license = "MIT"