diff --git a/pyproject.toml b/pyproject.toml
index 9ac468ec..145f3f73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ tests = [
   "pytest == 6.2.5",
   "pytest-asyncio == 0.16.0",
   "pytest-dependency == 0.6.1",
-  "pytest-mock == 3.6.1",
+  "pytest-mock == 3.15.1",
   "pytest-order == 1.0.1",
   "httpx >= 0.27.0, < 1.0.0",
 ]