diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ef62dd5..35d49ed3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,19 @@ In the future, this is expected to change. It's likely that at 0.5.0, we will de
 
 Format [Keep A ChangeLog](https://keepachangelog.com/en/1.0.0/)
 
+## [0.5.0-beta.1]
+
+### Changed
+- [185](https://github.com/evinism/mistql/pull/185)
+ JS: Updated `filterkeys`, `filtervalues`, `matchkeys`,`matchvalues` to reject non-objects.
+- [203](https://github.com/evinism/mistql/pull/203)Python: Made typeguard opt-in via env var.
+- [201](https://github.com/evinism/mistql/pull/201)Python: Enabled an LRU cache for the parser.
+- [202](https://github.com/evinism/mistql/pull/202)Python: Enabled lazy conversion and evaluation of input objects via an opt-in instance flag.
+
+### Fixed
+- [185](https://github.com/evinism/mistql/pull/185) Made `string` throw errors for deeply-nested non-stringable values.
+- [185](https://github.com/evinism/mistql/pull/185) JS: Modulo operator now throws an error for division by zero.
+
 ## [0.4.12]
 
 ### Changed
diff --git a/js/package.json b/js/package.json
index 5017ec5a..3123f3f4 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mistql",
-  "version": "0.4.12",
+  "version": "0.5.0-beta.1",
   "description": "JS implementation of miniature query language",
   "main": "dist/umd/index.js",
   "module": "dist/esm/index.js",
@@ -12,7 +12,7 @@
     "bin"
   ],
   "bin": {
-    "mq": "./bin/mq.js"
+    "mq": "bin/mq.js"
   },
   "exports": {
     ".": {
diff --git a/meta.json b/meta.json
index c5eb82b2..a77380ca 100644
--- a/meta.json
+++ b/meta.json
@@ -1,3 +1,3 @@
 {
-  "version": "0.4.12"
+  "version": "0.5.0-beta.1"
 }
\ No newline at end of file
diff --git a/py/mistql/__init__.py b/py/mistql/__init__.py
index dba05e08..4025bca7 100644
--- a/py/mistql/__init__.py
+++ b/py/mistql/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "0.4.12"
+__version__ = "0.5.0b1"
 
 from .query import query  # noqa: F401
 from .instance import MistQLInstance  # noqa: F401
diff --git a/py/pyproject.toml b/py/pyproject.toml
index 9c541fd5..ed0c193a 100644
--- a/py/pyproject.toml
+++ b/py/pyproject.toml
@@ -7,7 +7,7 @@ packages = ["mistql"]
 
 [project]
 name = "mistql"
-version = "0.4.12"
+version = "0.5.0b1"
 description = "Python implementation of MistQL query language"
 readme = "README.md"
 requires-python = ">=3.8.1"
diff --git a/py/tests/test_mistql.py b/py/tests/test_mistql.py
index 39cc7649..33ab18fd 100644
--- a/py/tests/test_mistql.py
+++ b/py/tests/test_mistql.py
@@ -9,7 +9,7 @@ def test_version():
     meta_file_path = os.path.join(os.path.dirname(__file__), "..", "..", "meta.json")
     assert __version__ == toml.load(pyproject_path)["project"]["version"]
     with open(meta_file_path) as f:
-        assert __version__ == json.load(f)["version"]
+        assert __version__ == json.load(f)["version"].replace("-beta.", "b")
 
 
 def test_query_is_callable():
diff --git a/py/uv.lock b/py/uv.lock
index d73634c4..10168d82 100644
--- a/py/uv.lock
+++ b/py/uv.lock
@@ -266,7 +266,7 @@ wheels = [
 
 [[package]]
 name = "mistql"
-version = "0.4.12"
+version = "0.5.0b1"
 source = { editable = "." }
 dependencies = [
     { name = "json-lines" },
diff --git a/version-cutting.md b/version-cutting.md
index 29c0d2b0..24770c18 100644
--- a/version-cutting.md
+++ b/version-cutting.md
@@ -7,12 +7,17 @@ This is a checklist (mostly for me) on how to cut a new version of MistQL.
 1. Update the version in `py/mistql/__init__.py`
 1. Update the version in `py/pyproject.toml`
 1. Update the version in `js/package.json`
-1. Update the version in `meta.yaml`
+1. Update the version in `meta.json`
+1. Build the python via `talc build py` to update the version in the wheel.
 1. One final test via `talc test all`
-1. Commit the changes (You should have 5 files changed)
+1. Commit the changes (You should have 6 files changed)
 1. Publish the npm and pypi packages via `talc publish js` and `talc publish py`
 1. Update the doc version of MistQL
 1. Version the docs via `npm run docusaurus docs:version X.Y.Z`
 1. Commit the changes
 1. Push the branch
 1. Create a PR and merge it
+
+
+Notes:
+- Beta versions are formatted as `X.Y.Z-beta.N` for JS and `X.Y.ZbN` for Python, starting with N=1.