diff --git a/.travis.yml b/.travis.yml
index e5a5526..1f26e29 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,8 @@ python:
   - "3.4"
   - "3.5"
 before_install:
+  - "pip install --upgrade setuptools"
+  - "pip install --upgrade pip"
   - "pip install -e .[tests]"
 install: "pip install -r requirements.txt"
 addons:
diff --git a/setup.py b/setup.py
index 3ef3334..8ca9a5c 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,8 @@ with open('buku.py', encoding='utf-8') as f:
 with open('README.md', encoding='utf-8') as f:
     long_description = f.read()
 
-tests_require = ['pytest-cov', 'pytest-catchlog', 'hypothesis==3.7.0'],
+tests_require = [
+    'pytest-cov', 'pytest-catchlog', 'hypothesis>=3.7.0', 'pytest>=3.1.2', 'py>=1.4.33'],
 
 setup(
     name='buku',