diff --git a/pyproject.toml b/pyproject.toml
index 1757a03..0479b5f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ dev-dependencies = [
     "mypy>=1.7.0",
     "flake8>=6.1.0",
     "pytest>=7.4.3",
+    "websocket-client==1.8.0"
 ]
 
 [tool.hatch.metadata]