diff --git a/pyproject.toml b/pyproject.toml
index c6daa08..f1b89e4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -29,7 +29,7 @@ dependencies = [
     "aiohttp==3.8.6",
     "pyserial==3.5",
     "python-socketio==5.9.0",
-    "pythonnet==3.0.2",
+    "pythonnet==3.0.3",
     "wheel==0.41.2",
     "sensapex==1.400.0",
 ]