diff --git a/setup.py b/setup.py
index 7914649..e5881db 100644
--- a/setup.py
+++ b/setup.py
@@ -58,7 +58,7 @@ def read(fname: str) -> str:
         "PyHamcrest==1.10.1",
         "pytest-cov",
         "pytest-flask",
-        "pytest-mock==1.13.0",
+        "pytest-mock==3.8.0",
         "pytest-runner",
     ],
     extras_require={