diff --git a/pyproject.toml b/pyproject.toml
index 0069524..c688fb3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dev = [
     # Testing framework
     "pytest>=7.0.0",
     "pytest-cov>=4.0.0",
-    "pytest-mock>=3.10.0",
+    "pytest-mock>=3.15.1",
     # Code quality
     "black>=23.0.0",
     "flake8>=6.0.0",