diff --git a/mist-lib/src/main/python/setup.py b/mist-lib/src/main/python/setup.py
index 6d2e24d11..8a5020b78 100644
--- a/mist-lib/src/main/python/setup.py
+++ b/mist-lib/src/main/python/setup.py
@@ -31,6 +31,6 @@
 
     packages=find_packages(exclude=['tests']),
     setup_requires=['pytest-runner'], 
-    tests_require=['pytest==4.6.4'],
+    tests_require=['pytest==9.0.3'],
     test_suite='tests'
 )