diff --git a/engineio/__init__.py b/engineio/__init__.py
index ba7b37c6..6315bab4 100644
--- a/engineio/__init__.py
+++ b/engineio/__init__.py
@@ -7,7 +7,7 @@
 else:  # pragma: no cover
     AsyncServer = None
 
-__version__ = '1.5.3'
+__version__ = '1.5.4'
 
 __all__ = ['__version__', 'Middleware', 'Server']
 if AsyncServer is not None:  # pragma: no cover