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 c728a1c..693ed01 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [0.4.2](https://github.com/AppSprout-dev/RLE/compare/rimworld-learning-environment-v0.4.1...rimworld-learning-environment-v0.4.2) (2026-09-04)
+
+
+### Documentation
+
+* **CLAUDE:** CentralPost/SSE/helix sections scoped to the Felix harness ([80592f9](https://github.com/AppSprout-dev/RLE/commit/80592f987565220f5628fb03bace59ea9da86a15))
+* README, CONTRIBUTING and CLAUDE.md reflect the harness x model benchmark ([fd82549](https://github.com/AppSprout-dev/RLE/commit/fd825498b4d2b6a61477058b526e8a781ad84ed2))
+* README/CONTRIBUTING/CLAUDE reflect the harness x model benchmark ([c1d9ea6](https://github.com/AppSprout-dev/RLE/commit/c1d9ea6b878e388ba1eb8b74a02bb06e5a790dfa))
+
 ## [0.4.1](https://github.com/AppSprout-dev/RLE/compare/rimworld-learning-environment-v0.4.0...rimworld-learning-environment-v0.4.1) (2026-08-31)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index d35bfd2..9993a3f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "rimworld-learning-environment"
-version = "0.4.1"
+version = "0.4.2"
 description = "Harness x model benchmark: swappable agent harnesses manage a RimWorld colony"
 readme = "README.md"
 license = "MIT"
diff --git a/src/rle/__init__.py b/src/rle/__init__.py
index 9897cfc..d194ece 100644
--- a/src/rle/__init__.py
+++ b/src/rle/__init__.py
@@ -7,7 +7,7 @@
 the optional ``felix`` extra.
 """
 
-__version__ = "0.4.1"  # x-release-please-version
+__version__ = "0.4.2"  # x-release-please-version
 
 from rle.agents import (
     Action,