diff --git a/CHANGELOG b/CHANGELOG
index cb6d263..560fe03 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+v0.6 (unreleased):
+
+- ...
+
 v0.5.2 (released November 1, 2018):
 
 - Dropped support for end-of-life Python versions 2.6, 3.2, 3.3. (#199, #204)
diff --git a/appveyor.yml b/appveyor.yml
index df48d7a..076fc21 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,6 +1,6 @@
 # This config file is used by appveyor.com to build Windows release binaries
 
-version: 0.5.2-b{build}
+version: 0.6.dev0-b{build}
 
 branches:
   only:
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 4092e25..24b671c 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,14 @@
 Changelog
 =========
 
+v0.6
+----
+
+Unreleased
+(`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.2...develop>`__):
+
+- ...
+
 v0.5.2
 ------
 
@@ -8,17 +16,17 @@ v0.5.2
 (`changes <https://github.com/earwig/mwparserfromhell/compare/v0.5.1...v0.5.2>`__):
 
 - Dropped support for end-of-life Python versions 2.6, 3.2, 3.3.
-  (`#199 <https://github.com/earwig/mwparserfromhell/issues/199>`,
-  `#204 <https://github.com/earwig/mwparserfromhell/pull/204>`)
+  (`#199 <https://github.com/earwig/mwparserfromhell/issues/199>`_,
+  `#204 <https://github.com/earwig/mwparserfromhell/pull/204>`_)
 - Fixed signals getting stuck inside the C tokenizer until parsing finishes,
   in pathological cases.
-  (`#206 <https://github.com/earwig/mwparserfromhell/issues/206>`)
+  (`#206 <https://github.com/earwig/mwparserfromhell/issues/206>`_)
 - Fixed `<wbr>` not being considered a single-only tag.
-  (`#200 <https://github.com/earwig/mwparserfromhell/pull/200>`)
+  (`#200 <https://github.com/earwig/mwparserfromhell/pull/200>`_)
 - Fixed a C tokenizer crash on Python 3.7 when compiled with assertions.
-  (`#208 <https://github.com/earwig/mwparserfromhell/issues/208>`)
+  (`#208 <https://github.com/earwig/mwparserfromhell/issues/208>`_)
 - Cleaned up some minor documentation issues.
-  (`#207 <https://github.com/earwig/mwparserfromhell/pull/207>`)
+  (`#207 <https://github.com/earwig/mwparserfromhell/pull/207>`_)
 
 v0.5.1
 ------
diff --git a/mwparserfromhell/__init__.py b/mwparserfromhell/__init__.py
index a6de13a..11e1094 100644
--- a/mwparserfromhell/__init__.py
+++ b/mwparserfromhell/__init__.py
@@ -29,7 +29,7 @@ outrageously powerful parser for `MediaWiki <http://mediawiki.org>`_ wikicode.
 __author__ = "Ben Kurtovic"
 __copyright__ = "Copyright (C) 2012-2018 Ben Kurtovic"
 __license__ = "MIT License"
-__version__ = "0.5.2"
+__version__ = "0.6.dev0"
 __email__ = "ben.kurtovic@gmail.com"
 
 from . import (compat, definitions, nodes, parser, smart_list, string_mixin,
diff --git a/scripts/release.sh b/scripts/release.sh
index 5dbefbe..aa497e7 100755
--- a/scripts/release.sh
+++ b/scripts/release.sh
@@ -1,7 +1,5 @@
 #! /usr/bin/env bash
 
-set -euo pipefail
-
 if [[ -z "$1" ]]; then
     echo "usage: $0 1.2.3"
     exit 1
@@ -77,7 +75,8 @@ do_git_stuff() {
 
 upload_to_pypi() {
     echo -n "PyPI: uploading source tarball..."
-    python setup.py -q register sdist upload -s
+    python setup.py -q sdist
+    twine upload -s dist/mwparserfromhell-$VERSION*
     echo " done."
 }