diff --git a/.travis.yml b/.travis.yml
index 2dea0409..a9fde9aa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ python:
 install:
   - "pip install -r requirements_dev.txt"
   - "python setup.py install"
+  - python check_py3k.py && pip install aiohttp || true
 script: py.test -x tests/
 branches:
   only:
diff --git a/check_py3k.py b/check_py3k.py
new file mode 100644
index 00000000..17a9af99
--- /dev/null
+++ b/check_py3k.py
@@ -0,0 +1,6 @@
+import sys
+
+if sys.version_info[0] < 3:
+    sys.exit(1)
+else:
+    sys.exit(0)