diff --git a/pyproject.toml b/pyproject.toml
index 2c1d22cfc..47a2e18d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ dynamic = ["version"]
 crash_reporter = ['requests==2.28.2']
 irc = ['irc==19.0.1']
 linux_i2c = ['smbus2_asyncio==0.0.5']
-osc = ['python-osc==1.8.3']
+osc = ['python-osc==1.9.0']
 pin2dmd = ['pyusb==1.1.0']
 rpi = ['apigpio-mpf==0.0.4']
 # uvloop must be optional, because non-Cython derivatives don't support it.
@@ -50,7 +50,7 @@ vpe = ['grpcio_tools==1.34.0',
 all = [  # currently no way to just use the names from above afaik?
     'prompt_toolkit==3.0.43', 'asciimatics==1.15.0', 'terminaltables==3.1.0',
     'requests==2.28.2', 'irc==19.0.1', 'smbus2_asyncio==0.0.5',
-    'python-osc==1.8.3', 'pyusb==1.1.0', 'apigpio-mpf==0.0.4',
+    'python-osc==1.9.0', 'pyusb==1.1.0', 'apigpio-mpf==0.0.4',
     'grpcio_tools==1.34.0', 'grpcio==1.34.0', 'protobuf==3.14.0',
     'uvloop==0.19.0'
     ]