diff --git a/poetry.lock b/poetry.lock
index 1e5d90c..62efe4f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -585,6 +585,14 @@ traitlets = "*"
 [package.extras]
 test = ["ipykernel", "pre-commit", "pytest", "pytest-cov", "pytest-timeout"]
 
+[[package]]
+name = "jupyterlab-pygments"
+version = "0.2.2"
+description = "Pygments theme using JupyterLab CSS variables"
+category = "dev"
+optional = false
+python-versions = ">=3.7"
+
 [[package]]
 name = "jupyterlab-widgets"
 version = "1.1.0"
@@ -622,8 +630,8 @@ python-versions = "*"
 
 [[package]]
 name = "mistune"
-version = "2.0.3"
-description = "A sane Markdown parser with useful plugins and renderers"
+version = "0.8.4"
+description = "The fastest markdown parser in pure Python"
 category = "dev"
 optional = false
 python-versions = "*"
@@ -652,13 +660,31 @@ category = "dev"
 optional = false
 python-versions = "*"
 
+[[package]]
+name = "nbclient"
+version = "0.5.13"
+description = "A client library for executing notebooks. Formerly nbconvert's ExecutePreprocessor."
+category = "dev"
+optional = false
+python-versions = ">=3.7.0"
+
+[package.dependencies]
+jupyter-client = ">=6.1.5"
+nbformat = ">=5.0"
+nest-asyncio = "*"
+traitlets = ">=5.0.0"
+
+[package.extras]
+sphinx = ["Sphinx (>=1.7)", "sphinx-book-theme", "mock", "moto", "myst-parser"]
+test = ["ipython (<8.0.0)", "ipykernel", "ipywidgets (<8.0.0)", "pytest (>=4.1)", "pytest-asyncio", "pytest-cov (>=2.6.1)", "check-manifest", "flake8", "mypy", "xmltodict", "black", "pip (>=18.1)", "wheel (>=0.31.0)", "setuptools (>=38.6.0)", "twine (>=1.11.0)"]
+
 [[package]]
 name = "nbconvert"
-version = "5.5.0"
+version = "6.3.0"
 description = "Converting Jupyter Notebooks"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.7"
 
 [package.dependencies]
 bleach = "*"
@@ -666,19 +692,21 @@ defusedxml = "*"
 entrypoints = ">=0.2.2"
 jinja2 = ">=2.4"
 jupyter-core = "*"
-mistune = ">=0.8.1"
+jupyterlab-pygments = "*"
+mistune = ">=0.8.1,<2"
+nbclient = ">=0.5.0,<0.6.0"
 nbformat = ">=4.4"
 pandocfilters = ">=1.4.1"
-pygments = "*"
+pygments = ">=2.4.1"
 testpath = "*"
-traitlets = ">=4.2"
+traitlets = ">=5.0"
 
 [package.extras]
-all = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=4.2)", "ipywidgets (>=7)", "tornado (>=4.0)", "sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython"]
-docs = ["sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython", "jupyter-client (>=4.2)"]
-execute = ["jupyter-client (>=4.2)"]
+all = ["pytest", "pytest-cov", "pytest-dependency", "ipykernel", "ipywidgets (>=7)", "pyppeteer (==0.2.6)", "tornado (>=4.0)", "sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "ipython"]
+docs = ["sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "ipython"]
 serve = ["tornado (>=4.0)"]
-test = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=4.2)", "ipywidgets (>=7)"]
+test = ["pytest", "pytest-cov", "pytest-dependency", "ipykernel", "ipywidgets (>=7)", "pyppeteer (==0.2.6)"]
+webpdf = ["pyppeteer (==0.2.6)"]
 
 [[package]]
 name = "nbformat"
@@ -1121,9 +1149,9 @@ optional = false
 python-versions = "*"
 
 [package.extras]
-win32 = ["pywin32"]
+nativelib = ["pyobjc-framework-cocoa", "pywin32"]
 objc = ["pyobjc-framework-cocoa"]
-nativelib = ["pywin32", "pyobjc-framework-cocoa"]
+win32 = ["pywin32"]
 
 [[package]]
 name = "six"
@@ -1256,8 +1284,8 @@ optional = false
 python-versions = ">=3.5"
 
 [package.extras]
-lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
+lint = ["docutils-stubs", "mypy", "flake8"]
 
 [[package]]
 name = "stack-data"
@@ -1784,6 +1812,10 @@ jupyter-core = [
     {file = "jupyter_core-4.10.0-py3-none-any.whl", hash = "sha256:e7f5212177af7ab34179690140f188aa9bf3d322d8155ed972cbded19f55b6f3"},
     {file = "jupyter_core-4.10.0.tar.gz", hash = "sha256:a6de44b16b7b31d7271130c71a6792c4040f077011961138afed5e5e73181aec"},
 ]
+jupyterlab-pygments = [
+    {file = "jupyterlab_pygments-0.2.2-py2.py3-none-any.whl", hash = "sha256:2405800db07c9f770863bcf8049a529c3dd4d3e28536638bd7c1c01d2748309f"},
+    {file = "jupyterlab_pygments-0.2.2.tar.gz", hash = "sha256:7405d7fde60819d905a9fa8ce89e4cd830e318cdad22a0030f7a901da705585d"},
+]
 jupyterlab-widgets = [
     {file = "jupyterlab_widgets-1.1.0-py3-none-any.whl", hash = "sha256:c2a9bd3789f120f64d73268c066ed3b000c56bc1dda217be5cdc43e7b4ebad3f"},
     {file = "jupyterlab_widgets-1.1.0.tar.gz", hash = "sha256:d5f41bc1713795385f718d44dcba47e1e1473c6289f28a95aa6b2c0782ee372a"},
@@ -1839,8 +1871,8 @@ mccabe = [
     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 mistune = [
-    {file = "mistune-2.0.3-py2.py3-none-any.whl", hash = "sha256:e3964140c0775535fba50bd616fe180920044a64bc21850253267b07bff89924"},
-    {file = "mistune-2.0.3.tar.gz", hash = "sha256:d7605b46b6156b53b7d52a465202b29a6f00f4ea4130ad5d25e9d5547d6b7e50"},
+    {file = "mistune-0.8.4-py2.py3-none-any.whl", hash = "sha256:88a1051873018da288eee8538d476dffe1262495144b33ecb586c4ab266bb8d4"},
+    {file = "mistune-0.8.4.tar.gz", hash = "sha256:59a3429db53c50b5c6bcc8a07f8848cb00d7dc8bdb431a4ab41920d201d4756e"},
 ]
 mpy-cross-v5 = [
     {file = "mpy-cross-v5-1.0.0.tar.gz", hash = "sha256:f5e2d3398b216b5d473e40f06bef27204583585503689a3eb8fccbbe5f1ba03a"},
@@ -1868,9 +1900,13 @@ mypy-extensions = [
     {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
     {file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
 ]
+nbclient = [
+    {file = "nbclient-0.5.13-py3-none-any.whl", hash = "sha256:47ac905af59379913c1f8f541098d2550153cf8dc58553cbe18c702b181518b0"},
+    {file = "nbclient-0.5.13.tar.gz", hash = "sha256:40c52c9b5e3c31faecaee69f202b3f53e38d7c1c563de0fadde9d7eda0fdafe8"},
+]
 nbconvert = [
-    {file = "nbconvert-5.5.0-py2.py3-none-any.whl", hash = "sha256:4a978548d8383f6b2cfca4a3b0543afb77bc7cb5a96e8b424337ab58c12da9bc"},
-    {file = "nbconvert-5.5.0.tar.gz", hash = "sha256:138381baa41d83584459b5cfecfc38c800ccf1f37d9ddd0bd440783346a4c39c"},
+    {file = "nbconvert-6.3.0-py3-none-any.whl", hash = "sha256:8f23fbeabda4a500685d788ee091bf22cf34119304314304fb39f16e2fc32f37"},
+    {file = "nbconvert-6.3.0.tar.gz", hash = "sha256:5e77d6203854944520105e38f2563a813a4a3708e8563aa598928a3b5ee1081a"},
 ]
 nbformat = [
     {file = "nbformat-5.4.0-py3-none-any.whl", hash = "sha256:0d6072aaec95dddc39735c144ee8bbc6589c383fb462e4058abc855348152dad"},