diff --git a/CHANGELOG.md b/CHANGELOG.md
index a149ee0..4e591e9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [v0.2.3] - 2020-05-06
+
+### Fixed
+- Syntax error with s3().upload_json
+
 ## [v0.2.2] - 2020-05-05
 
 ### Added
@@ -67,6 +72,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 Initial Release
 
 [Unreleased]: https://github.com/matthewhanson/boto3-utils/compare/master...develop
+[v0.2.3]: https://github.com/matthewhanson/boto3-utils/compare/0.2.3...0.2.3
+[v0.2.2]: https://github.com/matthewhanson/boto3-utils/compare/0.2.1...0.2.2
 [v0.2.1]: https://github.com/matthewhanson/boto3-utils/compare/0.2.0...0.2.1
 [v0.2.0]: https://github.com/matthewhanson/boto3-utils/compare/0.1.3...0.2.0
 [v0.1.3]: https://github.com/matthewhanson/boto3-utils/compare/0.1.2...0.1.3
diff --git a/boto3utils/s3.py b/boto3utils/s3.py
index f5c8b42..7ec54c3 100644
--- a/boto3utils/s3.py
+++ b/boto3utils/s3.py
@@ -87,14 +87,14 @@ def upload(self, filename, url, public=False, extra={}, http_url=False):
         else:
             return url_out
 
-    def upload_json(self, data, url, **kwargs):
+    def upload_json(self, data, url, extra={}, **kwargs):
         """ Upload dictionary as JSON to URL """
         tmpdir = mkdtemp()
         filename = op.join(tmpdir, 'catalog.json')
         _extra = {
             'ContentType': 'application/json'
         }
-        _extra.update(kwargs.pop('extra', {}))
+        _extra.update(extra)
         with open(filename, 'w') as f:
             f.write(json.dumps(data))
         try:
diff --git a/boto3utils/version.py b/boto3utils/version.py
index 020ed73..d93b5b2 100644
--- a/boto3utils/version.py
+++ b/boto3utils/version.py
@@ -1 +1 @@
-__version__ = '0.2.2'
+__version__ = '0.2.3'