diff --git a/poetry.lock b/poetry.lock
index f32ae13..ce7c6f8 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -241,33 +241,33 @@ lxml = ["lxml"]
 
 [[package]]
 name = "black"
-version = "23.12.0"
+version = "24.1.0"
 description = "The uncompromising code formatter."
 optional = false
 python-versions = ">=3.8"
 files = [
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 [package.dependencies]
@@ -1821,6 +1821,26 @@ files = [
     {file = "kiwisolver-1.4.5.tar.gz", hash = "sha256:e57e563a57fb22a142da34f38acc2fc1a5c864bc29ca1517a88abc963e60d6ec"},
 ]
 
+[[package]]
+name = "kwant"
+version = "1.4.4"
+description = "Package for numerical quantum transport calculations (Python 3 version)"
+optional = true
+python-versions = "*"
+files = [
+    {file = "kwant-1.4.4.tar.gz", hash = "sha256:6cf76cc09166714a46644a8127b82b386b1a8e76b8c836c95281f6f8be72ac30"},
+]
+
+[package.dependencies]
+numpy = ">=1.11.0"
+scipy = ">=0.17.0"
+tinyarray = ">=1.2"
+
+[package.extras]
+continuum = ["sympy (>=0.7.6)"]
+plotting = ["matplotlib (>=1.5.1)"]
+qsymm = ["qsymm (>=1.2.6)"]
+
 [[package]]
 name = "linkify-it-py"
 version = "2.0.2"
@@ -3159,6 +3179,7 @@ files = [
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+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
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@@ -4377,7 +4398,10 @@ files = [
 docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "rst.linker (>=1.9)", "sphinx (<7.2.5)", "sphinx (>=3.5)", "sphinx-lint"]
 testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-ignore-flaky", "pytest-mypy (>=0.9.1)", "pytest-ruff"]
 
+[extras]
+kwant = []
+
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "b1fb5d158546b931f7c0a44f7a0f036b68577ad8e0aabb1723a5679ab825c4dd"
+content-hash = "f7375fa2261fe2e6d7972754b9abf11578b431ee5893d8c6a38383564b9b835b"