diff --git a/setup.py b/setup.py
index 9597bbe..bf1088e 100644
--- a/setup.py
+++ b/setup.py
@@ -12,7 +12,7 @@
 
     setup_requires=['cffi>=1.3.0', 'pytest-runner==2.6.2'],
     install_requires=['cffi>=1.3.0'],
-    tests_require=['pytest==2.8.7'],
+    tests_require=['pytest==9.0.3'],
     extras_require={
         'util': ['Pillow==3.2.0']
     },