diff --git a/aiohttp_spyne/__init__.py b/aiohttp_spyne/__init__.py
index c098287..071e701 100644
--- a/aiohttp_spyne/__init__.py
+++ b/aiohttp_spyne/__init__.py
@@ -1,2 +1,2 @@
-__version__ = "1.0.1"
+__version__ = "1.4.0"
 from .aio_spyne import AIOSpyne  # noqa: F401
diff --git a/setup.py b/setup.py
index 0e3a377..52843e0 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setup(
     name="aiohttp-spyne",
-    version="1.3.0",
+    version="1.4.0",
     description="Aiohttp transport for Spyne RPC library",
     long_description=long_description,
     url="https://github.com/katajakasa/aiohttp-spyne",