diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 218393f..4cff5b9 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.4.1"
+  ".": "0.4.2"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27aa7b0..ab76c17 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [0.4.2](https://github.com/structured-world/coordinode-python/compare/v0.4.1...v0.4.2) (2026-04-09)
+
+
+### Bug Fixes
+
+* **coordinode:** fix empty wheel — use sources mapping instead of packages ([93aba40](https://github.com/structured-world/coordinode-python/commit/93aba40a069f645a3e47fc9dc32238d068c1b83e))
+* **coordinode:** use sources mapping to include package files in wheel ([9a1204a](https://github.com/structured-world/coordinode-python/commit/9a1204a74dfb5b7ded0eb070860eb652a5e19c8a))
+
 ## [0.4.1](https://github.com/structured-world/coordinode-python/compare/v0.4.0...v0.4.1) (2026-04-09)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 1c652d9..00f8d5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@
 
 [project]
 name = "coordinode-workspace"
-version = "0.4.1"
+version = "0.4.2"
 requires-python = ">=3.11"
 dependencies = [
     "googleapis-common-protos>=1.74.0",