diff --git a/pyproject.toml b/pyproject.toml
index f3a5273..4325cd2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,6 +35,21 @@ dependencies = [
 ]
 dynamic = ["version"]
 
+[project.optional-dependencies]
+lint = [
+    "domify[test]",
+    "black==23.12.1",
+    "darglint==1.8.1",
+    "mypy==1.7.1",
+    "ruff==0.1.6",
+]
+test = [
+    "pytest==7.4.4",
+    "pytest-cov==4.1.0",
+    "typing-extensions==3.7.2; python_version<'3.8'",
+]
+
+
 [project.urls]
 Homepage = "https://github.com/Parnassius/domify"
 
@@ -78,21 +93,11 @@ release = [
 
 [tool.hatch.envs.lint]
 template = "lint"
-dependencies = [
-    "black==23.11.0",
-    "darglint==1.8.1",
-    "mypy==1.7.1",
-    "pytest==7.4.3",
-    "ruff==0.1.6",
-]
+features = ["lint"]
 
 [tool.hatch.envs.test]
 template = "test"
-dependencies = [
-    "pytest==7.4.3",
-    "pytest-cov==4.1.0",
-    "typing-extensions==3.7.2; python_version<'3.8'",
-]
+features = ["test"]
 
 [[tool.hatch.envs.test.matrix]]
 python = [
diff --git a/spec_parser/poetry.lock b/spec_parser/poetry.lock
index 105a1a2..f49d730 100644
--- a/spec_parser/poetry.lock
+++ b/spec_parser/poetry.lock
@@ -21,29 +21,33 @@ lxml = ["lxml"]
 
 [[package]]
 name = "black"
-version = "23.11.0"
+version = "23.12.1"
 description = "The uncompromising code formatter."
 optional = false
 python-versions = ">=3.8"
 files = [
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+    {file = "black-23.12.1-cp39-cp39-win_amd64.whl", hash = "sha256:dd15245c8b68fe2b6bd0f32c1556509d11bb33aec9b5d0866dd8e2ed3dba09c2"},
+    {file = "black-23.12.1-py3-none-any.whl", hash = "sha256:78baad24af0f033958cad29731e27363183e140962595def56423e626f4bee3e"},
+    {file = "black-23.12.1.tar.gz", hash = "sha256:4ce3ef14ebe8d9509188014d96af1c456a910d5b5cbf434a09fef7e024b3d0d5"},
 ]
 
 [package.dependencies]
@@ -57,7 +61,7 @@ typing-extensions = {version = ">=4.0.1", markers = "python_version < \"3.11\""}
 
 [package.extras]
 colorama = ["colorama (>=0.4.3)"]
-d = ["aiohttp (>=3.7.4)"]
+d = ["aiohttp (>=3.7.4)", "aiohttp (>=3.7.4,!=3.9.0)"]
 jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
 uvloop = ["uvloop (>=0.15.2)"]
 
@@ -230,38 +234,38 @@ files = [
 
 [[package]]
 name = "mypy"
-version = "1.7.1"
+version = "1.8.0"
 description = "Optional static typing for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
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+    {file = "mypy-1.8.0-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:5c1538c38584029352878a0466f03a8ee7547d7bd9f641f57a0f3017a7c905b8"},
+    {file = "mypy-1.8.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:4ef4be7baf08a203170f29e89d79064463b7fc7a0908b9d0d5114e8009c3a259"},
+    {file = "mypy-1.8.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7178def594014aa6c35a8ff411cf37d682f428b3b5617ca79029d8ae72f5402b"},
+    {file = "mypy-1.8.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:ab3c84fa13c04aeeeabb2a7f67a25ef5d77ac9d6486ff33ded762ef353aa5592"},
+    {file = "mypy-1.8.0-cp39-cp39-win_amd64.whl", hash = "sha256:99b00bc72855812a60d253420d8a2eae839b0afa4938f09f4d2aa9bb4654263a"},
+    {file = "mypy-1.8.0-py3-none-any.whl", hash = "sha256:538fd81bb5e430cc1381a443971c0475582ff9f434c16cd46d2c66763ce85d9d"},
+    {file = "mypy-1.8.0.tar.gz", hash = "sha256:6ff8b244d7085a0b425b56d327b480c3b29cafbd2eff27316a004f9a7391ae07"},
 ]
 
 [package.dependencies]
@@ -310,24 +314,24 @@ files = [
 
 [[package]]
 name = "pathspec"
-version = "0.11.2"
+version = "0.12.1"
 description = "Utility library for gitignore style pattern matching of file paths."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "pathspec-0.11.2-py3-none-any.whl", hash = "sha256:1d6ed233af05e679efb96b1851550ea95bbb64b7c490b0f5aa52996c11e92a20"},
-    {file = "pathspec-0.11.2.tar.gz", hash = "sha256:e0d8d0ac2f12da61956eb2306b69f9469b42f4deb0f3cb6ed47b9cce9996ced3"},
+    {file = "pathspec-0.12.1-py3-none-any.whl", hash = "sha256:a0d503e138a4c123b27490a4f7beda6a01c6f288df0e4a8b79c7eb0dc7b4cc08"},
+    {file = "pathspec-0.12.1.tar.gz", hash = "sha256:a482d51503a1ab33b1c67a6c3813a26953dbdc71c31dacaef9a838c4e29f5712"},
 ]
 
 [[package]]
 name = "platformdirs"
-version = "4.0.0"
+version = "4.1.0"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "platformdirs-4.0.0-py3-none-any.whl", hash = "sha256:118c954d7e949b35437270383a3f2531e99dd93cf7ce4dc8340d3356d30f173b"},
-    {file = "platformdirs-4.0.0.tar.gz", hash = "sha256:cb633b2bcf10c51af60beb0ab06d2f1d69064b43abf4c185ca6b28865f3f9731"},
+    {file = "platformdirs-4.1.0-py3-none-any.whl", hash = "sha256:11c8f37bcca40db96d8144522d925583bdb7a31f7b0e37e3ed4318400a8e2380"},
+    {file = "platformdirs-4.1.0.tar.gz", hash = "sha256:906d548203468492d432bcb294d4bc2fff751bf84971fbb2c10918cc206ee420"},
 ]
 
 [package.extras]
@@ -375,28 +379,28 @@ use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
 
 [[package]]
 name = "ruff"
-version = "0.1.6"
+version = "0.1.9"
 description = "An extremely fast Python linter and code formatter, written in Rust."
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "ruff-0.1.6-py3-none-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl", hash = "sha256:88b8cdf6abf98130991cbc9f6438f35f6e8d41a02622cc5ee130a02a0ed28703"},
-    {file = "ruff-0.1.6-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:5c549ed437680b6105a1299d2cd30e4964211606eeb48a0ff7a93ef70b902248"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1cf5f701062e294f2167e66d11b092bba7af6a057668ed618a9253e1e90cfd76"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:05991ee20d4ac4bb78385360c684e4b417edd971030ab12a4fbd075ff535050e"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:87455a0c1f739b3c069e2f4c43b66479a54dea0276dd5d4d67b091265f6fd1dc"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:683aa5bdda5a48cb8266fcde8eea2a6af4e5700a392c56ea5fb5f0d4bfdc0240"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:137852105586dcbf80c1717facb6781555c4e99f520c9c827bd414fac67ddfb6"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:bd98138a98d48a1c36c394fd6b84cd943ac92a08278aa8ac8c0fdefcf7138f35"},
-    {file = "ruff-0.1.6-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:3a0cd909d25f227ac5c36d4e7e681577275fb74ba3b11d288aff7ec47e3ae745"},
-    {file = "ruff-0.1.6-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:e8fd1c62a47aa88a02707b5dd20c5ff20d035d634aa74826b42a1da77861b5ff"},
-    {file = "ruff-0.1.6-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:fd89b45d374935829134a082617954120d7a1470a9f0ec0e7f3ead983edc48cc"},
-    {file = "ruff-0.1.6-py3-none-musllinux_1_2_i686.whl", hash = "sha256:491262006e92f825b145cd1e52948073c56560243b55fb3b4ecb142f6f0e9543"},
-    {file = "ruff-0.1.6-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:ea284789861b8b5ca9d5443591a92a397ac183d4351882ab52f6296b4fdd5462"},
-    {file = "ruff-0.1.6-py3-none-win32.whl", hash = "sha256:1610e14750826dfc207ccbcdd7331b6bd285607d4181df9c1c6ae26646d6848a"},
-    {file = "ruff-0.1.6-py3-none-win_amd64.whl", hash = "sha256:4558b3e178145491e9bc3b2ee3c4b42f19d19384eaa5c59d10acf6e8f8b57e33"},
-    {file = "ruff-0.1.6-py3-none-win_arm64.whl", hash = "sha256:03910e81df0d8db0e30050725a5802441c2022ea3ae4fe0609b76081731accbc"},
-    {file = "ruff-0.1.6.tar.gz", hash = "sha256:1b09f29b16c6ead5ea6b097ef2764b42372aebe363722f1605ecbcd2b9207184"},
+    {file = "ruff-0.1.9-py3-none-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl", hash = "sha256:e6a212f436122ac73df851f0cf006e0c6612fe6f9c864ed17ebefce0eff6a5fd"},
+    {file = "ruff-0.1.9-py3-none-macosx_10_12_x86_64.whl", hash = "sha256:28d920e319783d5303333630dae46ecc80b7ba294aeffedf946a02ac0b7cc3db"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:104aa9b5e12cb755d9dce698ab1b97726b83012487af415a4512fedd38b1459e"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl", hash = "sha256:1e63bf5a4a91971082a4768a0aba9383c12392d0d6f1e2be2248c1f9054a20da"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:4d0738917c203246f3e275b37006faa3aa96c828b284ebfe3e99a8cb413c8c4b"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_ppc64.manylinux2014_ppc64.whl", hash = "sha256:69dac82d63a50df2ab0906d97a01549f814b16bc806deeac4f064ff95c47ddf5"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_ppc64le.manylinux2014_ppc64le.whl", hash = "sha256:2aec598fb65084e41a9c5d4b95726173768a62055aafb07b4eff976bac72a592"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:744dfe4b35470fa3820d5fe45758aace6269c578f7ddc43d447868cfe5078bcb"},
+    {file = "ruff-0.1.9-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:479ca4250cab30f9218b2e563adc362bd6ae6343df7c7b5a7865300a5156d5a6"},
+    {file = "ruff-0.1.9-py3-none-musllinux_1_2_aarch64.whl", hash = "sha256:aa8344310f1ae79af9ccd6e4b32749e93cddc078f9b5ccd0e45bd76a6d2e8bb6"},
+    {file = "ruff-0.1.9-py3-none-musllinux_1_2_armv7l.whl", hash = "sha256:837c739729394df98f342319f5136f33c65286b28b6b70a87c28f59354ec939b"},
+    {file = "ruff-0.1.9-py3-none-musllinux_1_2_i686.whl", hash = "sha256:e6837202c2859b9f22e43cb01992373c2dbfeae5c0c91ad691a4a2e725392464"},
+    {file = "ruff-0.1.9-py3-none-musllinux_1_2_x86_64.whl", hash = "sha256:331aae2cd4a0554667ac683243b151c74bd60e78fb08c3c2a4ac05ee1e606a39"},
+    {file = "ruff-0.1.9-py3-none-win32.whl", hash = "sha256:8151425a60878e66f23ad47da39265fc2fad42aed06fb0a01130e967a7a064f4"},
+    {file = "ruff-0.1.9-py3-none-win_amd64.whl", hash = "sha256:c497d769164df522fdaf54c6eba93f397342fe4ca2123a2e014a5b8fc7df81c7"},
+    {file = "ruff-0.1.9-py3-none-win_arm64.whl", hash = "sha256:0e17f53bcbb4fff8292dfd84cf72d767b5e146f009cccd40c2fad27641f8a7a9"},
+    {file = "ruff-0.1.9.tar.gz", hash = "sha256:b041dee2734719ddbb4518f762c982f2e912e7f28b8ee4fe1dee0b15d1b6e800"},
 ]
 
 [[package]]
@@ -434,13 +438,13 @@ files = [
 
 [[package]]
 name = "types-requests"
-version = "2.31.0.10"
+version = "2.31.0.20231231"
 description = "Typing stubs for requests"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "types-requests-2.31.0.10.tar.gz", hash = "sha256:dc5852a76f1eaf60eafa81a2e50aefa3d1f015c34cf0cba130930866b1b22a92"},
-    {file = "types_requests-2.31.0.10-py3-none-any.whl", hash = "sha256:b32b9a86beffa876c0c3ac99a4cd3b8b51e973fb8e3bd4e0a6bb32c7efad80fc"},
+    {file = "types-requests-2.31.0.20231231.tar.gz", hash = "sha256:0f8c0c9764773384122813548d9eea92a5c4e1f33ed54556b508968ec5065cee"},
+    {file = "types_requests-2.31.0.20231231-py3-none-any.whl", hash = "sha256:2e2230c7bc8dd63fa3153c1c0ae335f8a368447f0582fc332f17d54f88e69027"},
 ]
 
 [package.dependencies]
@@ -448,13 +452,13 @@ urllib3 = ">=2"
 
 [[package]]
 name = "typing-extensions"
-version = "4.8.0"
+version = "4.9.0"
 description = "Backported and Experimental Type Hints for Python 3.8+"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "typing_extensions-4.8.0-py3-none-any.whl", hash = "sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0"},
-    {file = "typing_extensions-4.8.0.tar.gz", hash = "sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef"},
+    {file = "typing_extensions-4.9.0-py3-none-any.whl", hash = "sha256:af72aea155e91adfc61c3ae9e0e342dbc0cba726d6cba4b6c72c1f34e47291cd"},
+    {file = "typing_extensions-4.9.0.tar.gz", hash = "sha256:23478f88c37f27d76ac8aee6c905017a143b0b1b886c3c9f66bc2fd94f9f5783"},
 ]
 
 [[package]]
@@ -487,4 +491,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.8"
-content-hash = "33f932843a3ad0c5ec9f26b8da2c45c0875267aff5376bcd4a1b92765db9036e"
+content-hash = "4a9db767c07cd555b102aa250e1ad24839dfb7b6c9b78ed0619894c244ea600d"
diff --git a/spec_parser/pyproject.toml b/spec_parser/pyproject.toml
index 4fa112c..cb64bcc 100644
--- a/spec_parser/pyproject.toml
+++ b/spec_parser/pyproject.toml
@@ -39,11 +39,11 @@ beautifulsoup4 = {version = "4.12.2", extras = ["html5lib"]}
 requests = "2.31.0"
 
 [tool.poetry.dev-dependencies]
-black = "23.11.0"
-mypy = "1.7.1"
+black = "23.12.1"
+mypy = "1.8.0"
 poethepoet = "0.24.4"
-ruff = "0.1.6"
-types-requests = "2.31.0.10"
+ruff = "0.1.9"
+types-requests = "2.31.0.20231231"
 
 [tool.poetry.scripts]
 parse = "spec_parser.parser:parse"