diff --git a/CHANGELOG.md b/CHANGELOG.md
index 081cf5b..fdedbe9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -21,6 +21,10 @@ keyword argument is a MINOR, even pre-1.0.
 
 ## [Unreleased]
 
+_Nothing yet._
+
+## [0.5.0] — 2026-10-06
+
 ### Added
 
 - **`diversity` on `read()`** (0 to 1, default 0), sync and async, passed to
diff --git a/mnemoverse/__init__.py b/mnemoverse/__init__.py
index a15aae5..9da9ed7 100644
--- a/mnemoverse/__init__.py
+++ b/mnemoverse/__init__.py
@@ -20,7 +20,7 @@
     HealthResponse,
 )
 
-__version__ = "0.4.0"
+__version__ = "0.5.0"
 
 __all__ = [
     "MnemoClient",
diff --git a/pyproject.toml b/pyproject.toml
index 8949a44..ed5c63e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mnemoverse"
-version = "0.4.0"
+version = "0.5.0"
 description = "Official Python SDK for Mnemoverse — hosted AI agent memory that learns from outcomes. Sync and async REST client."
 readme = "README.md"
 license = "MIT"