diff --git a/tools/python/defs.bzl b/tools/python/defs.bzl
index ef619a7..f6bb526 100644
--- a/tools/python/defs.bzl
+++ b/tools/python/defs.bzl
@@ -47,6 +47,7 @@ def py_pytest(name, srcs, deps, main=None, python_version=None, args=None, **kwa
         py_requirement("jedi"),
         py_requirement("pytest-pudb"),
         py_requirement("pytest-cov"),
+        py_requirement("pytest-timeout"),
     ] + deps))
 
     srcs = [f] + srcs
diff --git a/tools/python/requirements.txt b/tools/python/requirements.txt
index 3214edf..aaeea2a 100644
--- a/tools/python/requirements.txt
+++ b/tools/python/requirements.txt
@@ -74,6 +74,7 @@ pytest==6.2.5
 pytest-cov==3.0.0
 pytest-postgresql==4.1.0
 pytest-pudb==0.7.0
+pytest-timeout==2.1.0
 pytz==2021.3
 PyYAML==6.0
 readme-renderer==32.0