diff --git a/pyproject.toml b/pyproject.toml
index 1cf1d12..3efd5ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ dependencies = [
 test = [
     "pytest>=7.4.0",
     "pytest-asyncio>=0.23.0",
-    "pytest-timeout>=2.2.0",
+    "pytest-timeout>=2.4.0",
     "pytest-cov>=4.1.0",
     "httpx>=0.28.1",
     "mcp>=1.27.0",
diff --git a/requirements.txt b/requirements.txt
index 82febb8..e7677f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ pydantic>=2.13.4
 # Testing
 pytest>=7.4.0
 pytest-asyncio>=0.23.0
-pytest-timeout>=2.2.0   # per-test timeout so no run can hang the suite (see tests/conftest, pyproject)
+pytest-timeout>=2.4.0   # per-test timeout so no run can hang the suite (see tests/conftest, pyproject)
 pytest-cov>=4.1.0       # coverage report in CI logs
 httpx>=0.28.1
 # Official protocol SDKs used by the conformance + live tests to validate translation