diff --git a/.travis.yml b/.travis.yml
index ac95e80..e15d070 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - "3.4"
   - "3.5"
   - "3.6"
 
diff --git a/setup.py b/setup.py
index bf87e7f..37c6627 100644
--- a/setup.py
+++ b/setup.py
@@ -11,8 +11,6 @@
     author_email='me' '@' 'sunghyunzz.com',
     maintainer='Rainist',
     maintainer_email='engineering' '@' 'rainist.com',
-    py_modules=['rrn'],
-    install_requires=[
-        'typing;python_version<"3.5"'
-    ]
+    python_requires='>=3.5',
+    py_modules=['rrn']
 )
diff --git a/tox.ini b/tox.ini
index b27f04a..a8dbd8c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py34,py35,py36
+envlist = py35,py36
 
 [testenv]
 commands = python -m unittest