diff --git a/pyproject.toml b/pyproject.toml
index 38ddd25..713d095 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -43,7 +43,7 @@ lazy-ecs = "lazy_ecs:main"
 dev = [
   "pytest==8.4.2",
   "pytest-cov==7.0.0",
-  "pytest-mock==3.15.0",
+  "pytest-mock==3.15.1",
   "moto[ecs]==5.1.12",
   "ruff==0.13.0",
   "pre-commit==4.3.0",
diff --git a/uv.lock b/uv.lock
index 656db43..7695105 100644
--- a/uv.lock
+++ b/uv.lock
@@ -441,7 +441,7 @@ dev = [
     { name = "pyrefly", specifier = "==0.32.0" },
     { name = "pytest", specifier = "==8.4.2" },
     { name = "pytest-cov", specifier = "==7.0.0" },
-    { name = "pytest-mock", specifier = "==3.15.0" },
+    { name = "pytest-mock", specifier = "==3.15.1" },
     { name = "ruff", specifier = "==0.13.0" },
 ]
 
@@ -712,14 +712,14 @@ wheels = [
 
 [[package]]
 name = "pytest-mock"
-version = "3.15.0"
+version = "3.15.1"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "pytest" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/61/99/3323ee5c16b3637b4d941c362182d3e749c11e400bea31018c42219f3a98/pytest_mock-3.15.0.tar.gz", hash = "sha256:ab896bd190316b9d5d87b277569dfcdf718b2d049a2ccff5f7aca279c002a1cf", size = 33838, upload-time = "2025-09-04T20:57:48.679Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/68/14/eb014d26be205d38ad5ad20d9a80f7d201472e08167f0bb4361e251084a9/pytest_mock-3.15.1.tar.gz", hash = "sha256:1849a238f6f396da19762269de72cb1814ab44416fa73a8686deac10b0d87a0f", size = 34036, upload-time = "2025-09-16T16:37:27.081Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/2b/b3/7fefc43fb706380144bcd293cc6e446e6f637ddfa8b83f48d1734156b529/pytest_mock-3.15.0-py3-none-any.whl", hash = "sha256:ef2219485fb1bd256b00e7ad7466ce26729b30eadfc7cbcdb4fa9a92ca68db6f", size = 10050, upload-time = "2025-09-04T20:57:47.274Z" },
+    { url = "https://files.pythonhosted.org/packages/5a/cc/06253936f4a7fa2e0f48dfe6d851d9c56df896a9ab09ac019d70b760619c/pytest_mock-3.15.1-py3-none-any.whl", hash = "sha256:0a25e2eb88fe5168d535041d09a4529a188176ae608a6d249ee65abc0949630d", size = 10095, upload-time = "2025-09-16T16:37:25.734Z" },
 ]
 
 [[package]]