diff --git a/pyproject.toml b/pyproject.toml
index d27d1ab..2d98847 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "pytest>=8.3.5",
-  "pytest-mock>=3.14.0",
+  "pytest-mock>=3.15.1",
   "ruff>=0.11.2",
 ]
 reranker = [