diff --git a/poetry.lock b/poetry.lock
index c66f71cd..19f6567b 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
 
 [[package]]
 name = "alabaster"
@@ -49,33 +49,33 @@ dev = ["freezegun (>=1.0,<2.0)", "pytest (>=6.0)", "pytest-cov"]
 
 [[package]]
 name = "black"
-version = "23.12.1"
+version = "24.4.1"
 description = "The uncompromising code formatter."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "black-23.12.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:e0aaf6041986767a5e0ce663c7a2f0e9eaf21e6ff87a5f95cbf3675bfd4c41d2"},
-    {file = "black-23.12.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:c88b3711d12905b74206227109272673edce0cb29f27e1385f33b0163c414bba"},
-    {file = "black-23.12.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:a920b569dc6b3472513ba6ddea21f440d4b4c699494d2e972a1753cdc25df7b0"},
-    {file = "black-23.12.1-cp310-cp310-win_amd64.whl", hash = "sha256:3fa4be75ef2a6b96ea8d92b1587dd8cb3a35c7e3d51f0738ced0781c3aa3a5a3"},
-    {file = "black-23.12.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:8d4df77958a622f9b5a4c96edb4b8c0034f8434032ab11077ec6c56ae9f384ba"},
-    {file = "black-23.12.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:602cfb1196dc692424c70b6507593a2b29aac0547c1be9a1d1365f0d964c353b"},
-    {file = "black-23.12.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:9c4352800f14be5b4864016882cdba10755bd50805c95f728011bcb47a4afd59"},
-    {file = "black-23.12.1-cp311-cp311-win_amd64.whl", hash = "sha256:0808494f2b2df923ffc5723ed3c7b096bd76341f6213989759287611e9837d50"},
-    {file = "black-23.12.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:25e57fd232a6d6ff3f4478a6fd0580838e47c93c83eaf1ccc92d4faf27112c4e"},
-    {file = "black-23.12.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:2d9e13db441c509a3763a7a3d9a49ccc1b4e974a47be4e08ade2a228876500ec"},
-    {file = "black-23.12.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6d1bd9c210f8b109b1762ec9fd36592fdd528485aadb3f5849b2740ef17e674e"},
-    {file = "black-23.12.1-cp312-cp312-win_amd64.whl", hash = "sha256:ae76c22bde5cbb6bfd211ec343ded2163bba7883c7bc77f6b756a1049436fbb9"},
-    {file = "black-23.12.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:1fa88a0f74e50e4487477bc0bb900c6781dbddfdfa32691e780bf854c3b4a47f"},
-    {file = "black-23.12.1-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:a4d6a9668e45ad99d2f8ec70d5c8c04ef4f32f648ef39048d010b0689832ec6d"},
-    {file = "black-23.12.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:b18fb2ae6c4bb63eebe5be6bd869ba2f14fd0259bda7d18a46b764d8fb86298a"},
-    {file = "black-23.12.1-cp38-cp38-win_amd64.whl", hash = "sha256:c04b6d9d20e9c13f43eee8ea87d44156b8505ca8a3c878773f68b4e4812a421e"},
-    {file = "black-23.12.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:3e1b38b3135fd4c025c28c55ddfc236b05af657828a8a6abe5deec419a0b7055"},
-    {file = "black-23.12.1-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:4f0031eaa7b921db76decd73636ef3a12c942ed367d8c3841a0739412b260a54"},
-    {file = "black-23.12.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:97e56155c6b737854e60a9ab1c598ff2533d57e7506d97af5481141671abf3ea"},
-    {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"},
+    {file = "black-24.4.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:1f7749fd0d97ff9415975a1432fac7df89bf13c3833cea079e55fa004d5f28c0"},
+    {file = "black-24.4.1-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:859f3cc5d2051adadf8fd504a01e02b0fd866d7549fff54bc9202d524d2e8bd7"},
+    {file = "black-24.4.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:59271c9c29dfa97f7fda51f56c7809b3f78e72fd8d2205189bbd23022a0618b6"},
+    {file = "black-24.4.1-cp310-cp310-win_amd64.whl", hash = "sha256:5ed9c34cba223149b5a0144951a0f33d65507cf82c5449cb3c35fe4b515fea9a"},
+    {file = "black-24.4.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:9dae3ae59d6f2dc93700fd5034a3115434686e66fd6e63d4dcaa48d19880f2b0"},
+    {file = "black-24.4.1-cp311-cp311-macosx_11_0_arm64.whl", hash = "sha256:5f8698974a81af83283eb47644f2711b5261138d6d9180c863fce673cbe04b13"},
+    {file = "black-24.4.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:0f404b6e77043b23d0321fb7772522b876b6de737ad3cb97d6b156638d68ce81"},
+    {file = "black-24.4.1-cp311-cp311-win_amd64.whl", hash = "sha256:c94e52b766477bdcd010b872ba0714d5458536dc9d0734eff6583ba7266ffd89"},
+    {file = "black-24.4.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:962d9e953872cdb83b97bb737ad47244ce2938054dc946685a4cad98520dab38"},
+    {file = "black-24.4.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:b1d8e3b2486b7dd522b1ab2ba1ec4907f0aa8f5e10a33c4271fb331d1d10b70c"},
+    {file = "black-24.4.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ed77e214b785148f57e43ca425b6e0850165144aa727d66ac604e56a70bb7825"},
+    {file = "black-24.4.1-cp312-cp312-win_amd64.whl", hash = "sha256:4ef4764437d7eba8386689cd06e1fb5341ee0ae2e9e22582b21178782de7ed94"},
+    {file = "black-24.4.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:92b183f8eef5baf7b20a513abcf982ad616f544f593f6688bb2850d2982911f1"},
+    {file = "black-24.4.1-cp38-cp38-macosx_11_0_arm64.whl", hash = "sha256:945abd7b3572add997757c94295bb3e73c6ffaf3366b1f26cb2356a4bffd1dc3"},
+    {file = "black-24.4.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:db5154b9e5b478031371d8bc41ff37b33855fa223a6cfba456c9b73fb96f77d4"},
+    {file = "black-24.4.1-cp38-cp38-win_amd64.whl", hash = "sha256:afc84c33c1a9aaf3d73140cee776b4ddf73ff429ffe6b7c56dc1c9c10725856d"},
+    {file = "black-24.4.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:0889f4eb8b3bdf8b189e41a71cf0dbb8141a98346cd1a2695dea5995d416e940"},
+    {file = "black-24.4.1-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:5bb0143f175db45a55227eefd63e90849d96c266330ba31719e9667d0d5ec3b9"},
+    {file = "black-24.4.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:713a04a78e78f28ef7e8df7a16fe075670ea164860fcef3885e4f3dffc0184b3"},
+    {file = "black-24.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:171959bc879637a8cdbc53dc3fddae2a83e151937a28cf605fd175ce61e0e94a"},
+    {file = "black-24.4.1-py3-none-any.whl", hash = "sha256:ecbab810604fe02c70b3a08afd39beb599f7cc9afd13e81f5336014133b4fe35"},
+    {file = "black-24.4.1.tar.gz", hash = "sha256:5241612dc8cad5b6fd47432b8bd04db80e07cfbc53bb69e9ae18985063bcb8dd"},
 ]
 
 [package.dependencies]
@@ -1262,4 +1262,4 @@ ws = ["websockets"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8"
-content-hash = "2ec8c8dbebbb73092a1cfb6c37a4550714a46830aa0e3267ea3c1010a72a49e7"
+content-hash = "4dd3071d77175310842366457492874d58150b934b5b8f3ec3ef72fc0a8eb73a"
diff --git a/pyproject.toml b/pyproject.toml
index 936b8e16..c68da559 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,8 +32,7 @@ ruff = ">=0.1.6"
 # TODO `poethepoet>=0.20` needs python 3.8
 poethepoet = ">=0.24.4"
 mypy = ">=1.7.1"
-# TODO `black>=23` needs python 3.8
-black = ">=23.11.0"
+black = "^24.4.1"
 
 [tool.poetry.group.test.dependencies]
 # Note: `coverage` requires that your Python was built with system `sqlite` development files
diff --git a/scripts/generate_client.py b/scripts/generate_client.py
index 6aab8f2e..72d0ea82 100644
--- a/scripts/generate_client.py
+++ b/scripts/generate_client.py
@@ -1,5 +1,6 @@
 """Script to automatically generate a lanaguge client from `lsprotocol` type definitons
 """
+
 import argparse
 import inspect
 import pathlib
diff --git a/tests/_init_server_stall_fix_hack.py b/tests/_init_server_stall_fix_hack.py
index 04895b0e..0dba411c 100644
--- a/tests/_init_server_stall_fix_hack.py
+++ b/tests/_init_server_stall_fix_hack.py
@@ -4,6 +4,7 @@
 fix to actually guarantee it doesn't generate false negatives in the test
 suite.
 """
+
 import os
 import concurrent
 
diff --git a/tests/ls_setup.py b/tests/ls_setup.py
index e52c06cd..7c3bfb53 100644
--- a/tests/ls_setup.py
+++ b/tests/ls_setup.py
@@ -59,8 +59,7 @@ class PyodideTestTransportAdapter:
     def __init__(self, dest: LanguageServer):
         self.dest = dest
 
-    def close(self):
-        ...
+    def close(self): ...
 
     def write(self, data):
         object_hook = self.dest.lsp._deserialize_message
@@ -84,8 +83,7 @@ def __init__(self, LS=LanguageServer):
     def start(self):
         self.initialize()
 
-    def stop(self):
-        ...
+    def stop(self): ...
 
     @classmethod
     def decorate(cls):
diff --git a/tests/servers/invalid_json.py b/tests/servers/invalid_json.py
index 5b40d7a6..f2c30da3 100644
--- a/tests/servers/invalid_json.py
+++ b/tests/servers/invalid_json.py
@@ -1,4 +1,5 @@
 """This server does nothing but print invalid JSON."""
+
 import asyncio
 import threading
 import sys
diff --git a/tests/servers/large_response.py b/tests/servers/large_response.py
index fd85b627..04cba3ad 100644
--- a/tests/servers/large_response.py
+++ b/tests/servers/large_response.py
@@ -1,4 +1,5 @@
 """This server returns a particuarly large response."""
+
 import asyncio
 import threading
 import sys