diff --git a/pyproject.toml b/pyproject.toml
index f2b5788..3ba2968 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,6 @@ dev = [
     "pytest>=8.0.0",
     "pytest-asyncio>=0.23.0",
     "pytest-cov>=4.1.0",
-    "pytest-mock>=3.12.0",
+    "pytest-mock>=3.15.1",
     "httpx>=0.27.0",
 ]