diff --git a/poetry.lock b/poetry.lock
index 9dd98d005..413122c1f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1666,13 +1666,13 @@ test = ["jupyter-server (>=2.0.0)", "pytest (>=7.0)", "pytest-jupyter[server] (>
 
 [[package]]
 name = "jupyterlab"
-version = "4.2.5"
+version = "4.3.1"
 description = "JupyterLab computational environment"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "jupyterlab-4.2.5-py3-none-any.whl", hash = "sha256:73b6e0775d41a9fee7ee756c80f58a6bed4040869ccc21411dc559818874d321"},
-    {file = "jupyterlab-4.2.5.tar.gz", hash = "sha256:ae7f3a1b8cb88b4f55009ce79fa7c06f99d70cd63601ee4aa91815d054f46f75"},
+    {file = "jupyterlab-4.3.1-py3-none-any.whl", hash = "sha256:2d9a1c305bc748e277819a17a5d5e22452e533e835f4237b2f30f3b0e491e01f"},
+    {file = "jupyterlab-4.3.1.tar.gz", hash = "sha256:a4a338327556443521731d82f2a6ccf926df478914ca029616621704d47c3c65"},
 ]
 
 [package.dependencies]
@@ -1693,9 +1693,9 @@ tornado = ">=6.2.0"
 traitlets = "*"
 
 [package.extras]
-dev = ["build", "bump2version", "coverage", "hatch", "pre-commit", "pytest-cov", "ruff (==0.3.5)"]
-docs = ["jsx-lexer", "myst-parser", "pydata-sphinx-theme (>=0.13.0)", "pytest", "pytest-check-links", "pytest-jupyter", "sphinx (>=1.8,<7.3.0)", "sphinx-copybutton"]
-docs-screenshots = ["altair (==5.3.0)", "ipython (==8.16.1)", "ipywidgets (==8.1.2)", "jupyterlab-geojson (==3.4.0)", "jupyterlab-language-pack-zh-cn (==4.1.post2)", "matplotlib (==3.8.3)", "nbconvert (>=7.0.0)", "pandas (==2.2.1)", "scipy (==1.12.0)", "vega-datasets (==0.9.0)"]
+dev = ["build", "bump2version", "coverage", "hatch", "pre-commit", "pytest-cov", "ruff (==0.6.9)"]
+docs = ["jsx-lexer", "myst-parser", "pydata-sphinx-theme (>=0.13.0)", "pytest", "pytest-check-links", "pytest-jupyter", "sphinx (>=1.8,<8.1.0)", "sphinx-copybutton"]
+docs-screenshots = ["altair (==5.4.1)", "ipython (==8.16.1)", "ipywidgets (==8.1.5)", "jupyterlab-geojson (==3.4.0)", "jupyterlab-language-pack-zh-cn (==4.2.post3)", "matplotlib (==3.9.2)", "nbconvert (>=7.0.0)", "pandas (==2.2.3)", "scipy (==1.14.1)", "vega-datasets (==0.9.0)"]
 test = ["coverage", "pytest (>=7.0)", "pytest-check-links (>=0.7)", "pytest-console-scripts", "pytest-cov", "pytest-jupyter (>=0.5.3)", "pytest-timeout", "pytest-tornasync", "requests", "requests-cache", "virtualenv"]
 upgrade-extension = ["copier (>=9,<10)", "jinja2-time (<0.3)", "pydantic (<3.0)", "pyyaml-include (<3.0)", "tomli-w (<2.0)"]
 
@@ -4212,4 +4212,4 @@ type = ["pytest-mypy"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "c1aae8c255de1b3e2e8bcd45f6d4eddb81a395397fd46359500b94af18c8d37c"
+content-hash = "a8bc47ba5ed0d0d30a52b50bf986b85da8cdc8b85f9dbe47ebae32dab695e95f"
diff --git a/pyproject.toml b/pyproject.toml
index c86799b59..ef88b2554 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,7 +45,7 @@ pytest = "7.4.0"
 coverage = "7.6.4"
 pytest-mock = "3.11.1"
 pytest-timeout = "2.3.1"
-jupyterlab = "4.2.5"
+jupyterlab = "4.3.1"
 
 [tool.pytest.ini_options]
 filterwarnings = [
diff --git a/ui-tests/tests/widget_notebook_example.test.ts-snapshots/widgets-cell-5-linux.png b/ui-tests/tests/widget_notebook_example.test.ts-snapshots/widgets-cell-5-linux.png
index 92781875d..c35298531 100644
Binary files a/ui-tests/tests/widget_notebook_example.test.ts-snapshots/widgets-cell-5-linux.png and b/ui-tests/tests/widget_notebook_example.test.ts-snapshots/widgets-cell-5-linux.png differ