diff --git a/.travis.yml b/.travis.yml
index baaa412..0192e1c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,9 +1,10 @@
 language: python
 python:
         - "2.7"
-        - "3.4"
-        - "3.5"
         - "3.6"
+        - "3.7"
+        - "3.8"
+        - "3.9"
 install:
         - pip install -r requirements.txt
         - pip install -r test_requirements.txt
diff --git a/setup.py b/setup.py
index 5f759f6..2b58aa4 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@
 
 setup(
     name='greenswitch',
-    version='0.0.11',
+    version='0.0.12',
     description=u'Battle proven FreeSWITCH Event Socket Protocol client implementation with Gevent.',
     long_description=readme,
     author=u'Ítalo Rossi',
@@ -28,9 +28,11 @@
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.3',
-        'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
     ],
     install_requires=requires
 )
diff --git a/tox.ini b/tox.ini
index bf83278..a0cdcdb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,7 @@
 [tox]
-envlist = py27,py33,py34,py35,py36,py37
+envlist = py27,py36,py37,py38,py39
 [testenv]
-deps= -rrequirements.txt -rtest_requirements.txt
+deps=
+    -rrequirements.txt
+    -rtest_requirements.txt
 commands= pytest --spec -s tests/