diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0451499..0ee8c01 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.2.3"
+  ".": "0.3.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 90621be..e187e79 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.3.0](https://github.com/cachekit-io/cachekit-py/compare/v0.2.3...v0.3.0) (2025-12-18)
+
+
+### Features
+
+* extend key generator with Path, UUID, Decimal, Enum, datetime, and constrained numpy support ([#38](https://github.com/cachekit-io/cachekit-py/issues/38)) ([78e025a](https://github.com/cachekit-io/cachekit-py/commit/78e025a58658a89bac02634358422336ab5c3f2b))
+
 ## [0.2.3](https://github.com/cachekit-io/cachekit-py/compare/v0.2.2...v0.2.3) (2025-12-18)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 7db5ef3..1f0f4d2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "maturin"
 
 [project]
 name = "cachekit"
-version = "0.2.3"
+version = "0.3.0"
 description = "Production-ready Redis caching for Python with intelligent reliability features and Rust-powered performance"
 readme = "README.md"
 license = {text = "MIT"}
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 79de0fe..a0b3bed 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cachekit-rs"
-version = "0.2.3"
+version = "0.3.0"
 edition = "2021"
 authors = ["cachekit Contributors"]
 description = "High-performance storage engine for caching with compression and encryption"
diff --git a/src/cachekit/__init__.py b/src/cachekit/__init__.py
index 3c62c5a..95edba6 100644
--- a/src/cachekit/__init__.py
+++ b/src/cachekit/__init__.py
@@ -62,7 +62,7 @@ def custom_function():
     ```
 """
 
-__version__ = "0.2.3"
+__version__ = "0.3.0"
 
 from typing import Any, Callable, TypeVar