diff --git a/.travis.yml b/.travis.yml
index f9ab600d..5ce85a4b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ sudo: required
 language: python
 python:
   - "2.7"
-  - "3.3"
   - "3.4"
   - "3.5"
   - "3.6"
diff --git a/README.md b/README.md
index e30ef185..4389a000 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ options can be found in [docs/modules.md](docs/modules.md)
 Requirements
 ------------
 Python 3.6 is recommended. Compatibility with 2.7+ and
-3.3+ is supported but not as thoroughly maintained and tested. Please submit an issue
+3.4+ is supported but not as thoroughly maintained and tested. Please submit an issue
 or a pull request fixing any issues found with other versions of Python.
 
 
diff --git a/tox.ini b/tox.ini
index 44d94284..c8fad139 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py33, py34, py35, py36
+envlist = py27, py34, py35, py36
 
 [testenv]
 deps= -rrequirements.txt