diff --git a/.travis.yml b/.travis.yml
index 7d30ac9..99683f3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: python
 python:
   - "3.2"
-install: "pip install py.test"
+install: "pip install -r requirements.txt"
 script: py.test
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..3743c94
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+py.test>2.5