diff --git a/CHANGELOG.md b/CHANGELOG.md
index 78bb1006..b51f85b7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # Changelog
 
+## 3.dev
+
 ## 3.2.1
 
 * Enhancement: add option for logging bad PUT request content
diff --git a/setup.py b/setup.py
index 53db9281..f5d906a2 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@ from setuptools import find_packages, setup
 
 # When the version is updated, a new section in the CHANGELOG.md file must be
 # added too.
-VERSION = "3.2.1"
+VERSION = "3.dev"
 
 with open("README.md", encoding="utf-8") as f:
     long_description = f.read()