diff --git a/CHANGELOG b/CHANGELOG
index f6ce149..6779084 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+v0.4.2 (unreleased):
+
+- ...
+
 v0.4.1 (released May 1, 2026):
 
 - Various bugfixes
diff --git a/docs/conf.py b/docs/conf.py
index 5478f37..d98d09a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,9 +47,9 @@ copyright = "2009-2026 Ben Kurtovic"
 # built documents.
 #
 # The short X.Y version.
-version = "0.4.1"
+version = "0.4.2"
 # The full version, including alpha/beta/rc tags.
-release = "0.4.1"
+release = "0.4.2.dev0"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/docs/index.rst b/docs/index.rst
index 8397eec..76581af 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,4 +1,4 @@
-EarwigBot v0.4.1 Documentation
+EarwigBot v0.4.2 Documentation
 ==============================
 
 EarwigBot_ is a Python bot that edits Wikipedia_ and interacts over IRC_.
diff --git a/pyproject.toml b/pyproject.toml
index 61da3f6..73f0091 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "earwigbot"
-version = "0.4.1"
+version = "0.4.2"
 authors = [
   {name = "Ben Kurtovic", email = "ben@benkurtovic.com"},
 ]
diff --git a/src/earwigbot/__init__.py b/src/earwigbot/__init__.py
index 1cc206d..f4e0fec 100644
--- a/src/earwigbot/__init__.py
+++ b/src/earwigbot/__init__.py
@@ -40,9 +40,9 @@ __all__ = [
 __author__ = "Ben Kurtovic"
 __copyright__ = "Copyright (C) 2009-2026 Ben Kurtovic"
 __license__ = "MIT License"
-__version__ = "0.4.1"
+__version__ = "0.4.2.dev0"
 __email__ = "ben.kurtovic@gmail.com"
-__release__ = True
+__release__ = False
 
 if not __release__:
 
diff --git a/uv.lock b/uv.lock
index 8e79b79..1c97a52 100644
--- a/uv.lock
+++ b/uv.lock
@@ -265,7 +265,7 @@ wheels = [
 
 [[package]]
 name = "earwigbot"
-version = "0.4"
+version = "0.4.1"
 source = { editable = "." }
 dependencies = [
     { name = "mwparserfromhell" },