diff --git a/Makefile b/Makefile
index 820183c6..1c5b1e85 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ SHELL:=/bin/bash
 MULTIARCH_BUILD?=
 TARGET_ARCH?=undefined
 
-VERSION?=3.2.3
+VERSION?=3.3.0.dev0
 SPARK_VERSION?=3.2.1
 
 ifeq (dev, $(findstring dev, $(VERSION)))
diff --git a/enterprise_gateway/_version.py b/enterprise_gateway/_version.py
index f9ff3bd2..ce6604ab 100644
--- a/enterprise_gateway/_version.py
+++ b/enterprise_gateway/_version.py
@@ -3,4 +3,4 @@
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-__version__ = "3.2.3"
+__version__ = "3.3.0.dev0"
diff --git a/etc/kubernetes/helm/enterprise-gateway/Chart.yaml b/etc/kubernetes/helm/enterprise-gateway/Chart.yaml
index a9e50a03..e5c6bead 100644
--- a/etc/kubernetes/helm/enterprise-gateway/Chart.yaml
+++ b/etc/kubernetes/helm/enterprise-gateway/Chart.yaml
@@ -9,7 +9,7 @@ version: 3.2.3
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: 3.2.3
+appVersion: 3.3.0.dev0
 
 icon: https://avatars1.githubusercontent.com/u/7388996?s=200&v=4
 home: https://jupyter.org
diff --git a/pyproject.toml b/pyproject.toml
index 4def85e8..4da7fef0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "jupyter_enterprise_gateway"
-version = "3.2.3"
+version = "3.3.0.dev0"
 description = "A web server for spawning and communicating with remote Jupyter kernels"
 license = { file = "LICENSE.md" }
 keywords = ["Interactive","Interpreter","Kernel", "Web", "Cloud"]
@@ -78,7 +78,7 @@ max-statements = 60
 include = ["enterprise_gateway"]
 
 [tool.tbump.version]
-current = "3.2.3"
+current = "3.3.0.dev0"
 regex = '''
   (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
   ((?P<channel>a|b|rc|.dev)(?P<release>\d+))?