diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 588030c14..03f4e048f 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -32,6 +32,14 @@ endif::[]
 [[release-notes-6.x]]
 === Python Agent version 6.x
 
+[[release-notes-6.22.0]]
+==== 6.22.0 - 2024-04-03
+
+[float]
+===== Features
+
+* Add ability to override default JSON serialization {pull}2018[#2018]
+
 [[release-notes-6.21.4]]
 ==== 6.21.4 - 2024-03-19
 
diff --git a/elasticapm/version.py b/elasticapm/version.py
index d2ebe8c73..c8799817e 100644
--- a/elasticapm/version.py
+++ b/elasticapm/version.py
@@ -28,5 +28,5 @@
 #  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-__version__ = (6, 21, 4)
+__version__ = (6, 22, 0)
 VERSION = ".".join(map(str, __version__))