diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 3161ba4..7ce5279 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.0
+current_version = 0.3.1
 commit = True
 tag = False
 
diff --git a/js/package.json b/js/package.json
index 0e59c6c..387a90d 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nbcelltests",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "A JupyterLab extension for cell-by-cell testing and linting of notebooks.",
   "author": "The nbcelltests authors",
   "main": "lib/index.js",
diff --git a/nbcelltests/__init__.py b/nbcelltests/__init__.py
index 1b1639a..68582ca 100644
--- a/nbcelltests/__init__.py
+++ b/nbcelltests/__init__.py
@@ -8,7 +8,7 @@
 from .lint import run as runLint  # noqa: F401
 from .test import run as runTest  # noqa: F401
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 
 def _jupyter_server_extension_paths():
diff --git a/pyproject.toml b/pyproject.toml
index 2a734a6..7564fb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ build-backend = "hatchling.build"
 [project]
 name = "nbcelltests"
 description = "Cell-by-cell tests for JupyterLab"
-version = "0.3.0"
+version = "0.3.1"
 readme = "README.md"
 license = { file = "LICENSE" }
 requires-python = ">=3.8"