diff --git a/pyproject.toml b/pyproject.toml
index e9a5931..c0e0286 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ esctl = "esctl.cli:app"
 dev = ["ruff>=0.15.20,<0.16"]
 test = [
     "pytest>=8.0.0,<9",
-    "pytest-mock>=3.14.0,<4",
+    "pytest-mock>=3.15.1,<4",
     "testcontainers[elasticsearch,k3s]>=4.14.2,<5",
 ]
 docs = [