diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 29dbd5e..80a61ba 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -29,4 +29,4 @@ RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-
     poetry config virtualenvs.create false
 
 
-RUN poetry install --no-root
\ No newline at end of file
+RUN poetry install --no-root
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 5a4c3d8..80a3ff1 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -5,7 +5,7 @@
 	"build": {
 		"dockerfile": "Dockerfile",
 		"context": "..",
-		"args": { 
+		"args": {
 			// Update 'VARIANT' to pick a Python version: 3, 3.6, 3.7, 3.8, 3.9
 			"VARIANT": "3",
 			// Options
@@ -14,7 +14,7 @@
 	},
 
 	// Set *default* container specific settings.json values on container create.
-	"settings": { 
+	"settings": {
 		"python.pythonPath": "/usr/local/bin/python",
 		"python.languageServer": "Pylance",
 		"python.linting.enabled": true,
diff --git a/poetry.lock b/poetry.lock
index da25c67..c8321ff 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -632,7 +632,7 @@ typing-extensions = {version = ">=3.10.0", markers = "python_version < \"3.10\""
 
 [[package]]
 name = "pymdown-extensions"
-version = "8.2"
+version = "9.0"
 description = "Extension pack for Python Markdown."
 category = "dev"
 optional = false
@@ -934,7 +934,7 @@ testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytes
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.7"
-content-hash = "6c150bd14ede8b0ead93233a35a2c60f2810b14e1a06aebd61f122e5154f0782"
+content-hash = "eae511d9f832859eea11cf2ef965eb891dcaefe766f02a2190871e711bd5790b"
 
 [metadata.files]
 appdirs = [
@@ -1297,8 +1297,8 @@ pylint = [
     {file = "pylint-2.11.1.tar.gz", hash = "sha256:2c9843fff1a88ca0ad98a256806c82c5a8f86086e7ccbdb93297d86c3f90c436"},
 ]
 pymdown-extensions = [
-    {file = "pymdown-extensions-8.2.tar.gz", hash = "sha256:b6daa94aad9e1310f9c64c8b1f01e4ce82937ab7eb53bfc92876a97aca02a6f4"},
-    {file = "pymdown_extensions-8.2-py3-none-any.whl", hash = "sha256:141452d8ed61165518f2c923454bf054866b85cf466feedb0eb68f04acdc2560"},
+    {file = "pymdown-extensions-9.0.tar.gz", hash = "sha256:01e4bec7f4b16beaba0087a74496401cf11afd69e3a11fe95cb593e5c698ef40"},
+    {file = "pymdown_extensions-9.0-py3-none-any.whl", hash = "sha256:430cc2fbb30cef2df70edac0b4f62614a6a4d2b06462e32da4ca96098b7c1dfb"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
diff --git a/pyproject.toml b/pyproject.toml
index d86b2b2..a5579db 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@ importlib-metadata = "^4.8.1"
 [tool.poetry.dev-dependencies]
 pytest = "^6.1"
 pygments = "^2.7"
-pymdown-extensions = "^8.0"
+pymdown-extensions = "^9.0"
 mkautodoc = "^0.1.0"
 pandas = "^1.0.1"
 pre-commit = "^2.8.2"