diff --git a/setup.py b/setup.py
index bfa429a..acd81a6 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,7 @@
         "dev": [
             "pytest==8.2.*",
             "pytest-cov==5.0.*",
-            "pytest-mock==3.14.*",
+            "pytest-mock>=3.14,<3.16",
             "black==24.4.*",
             "flake8==7.1.*",
             "freezegun==1.5.*",