diff --git a/Makefile b/Makefile
index 99bab09..815135e 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,9 @@ clean:
 	rm -rf dist;
 	rm -rf procbridge.egg-info
 
+setup:
+	python3 -m pip install --upgrade setuptools wheel twine
+
 build:
 	# https://packaging.python.org/tutorials/packaging-projects/
 	python3 setup.py sdist bdist_wheel
diff --git a/setup.py b/setup.py
index c39f38f..a69a23f 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="procbridge",
-    version="1.1.2",
+    version="1.1.3",
     author="Gong Zhang",
     author_email="gong@me.com",
     description="A super-lightweight IPC (Inter-Process Communication) protocol over TCP socket.",