diff --git a/CHANGES.txt b/CHANGES.txt
index 5f522d6..7431268 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,7 @@
+v4.8.1
+A compatibility bugfix -- 4.8.0 broke subclassing compatibility with some
+  other libraries.
+
 v4.8.0
 * Add api_secret parameter to import_data and merge methods. API secret is the
     new preferred auth mechanism; the old API Key still works but is no longer
diff --git a/docs/conf.py b/docs/conf.py
index da5e5a0..76e34aa 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -20,7 +20,7 @@
 project = u'mixpanel'
 copyright = u' 2021, Mixpanel, Inc.'
 author = u'Mixpanel <dev@mixpanel.com>'
-version = release = '4.8.0'
+version = release = '4.8.1'
 exclude_patterns = ['_build']
 pygments_style = 'sphinx'
 
diff --git a/mixpanel/__init__.py b/mixpanel/__init__.py
index 387467f..1ccf3eb 100644
--- a/mixpanel/__init__.py
+++ b/mixpanel/__init__.py
@@ -25,7 +25,7 @@
 from six.moves import range
 import urllib3
 
-__version__ = '4.8.0'
+__version__ = '4.8.1'
 VERSION = __version__  # TODO: remove when bumping major version.
 
 logger = logging.getLogger(__name__)