diff --git a/mistral/cmd/launch.py b/mistral/cmd/launch.py
index 84f6c6063..ffe895d25 100644
--- a/mistral/cmd/launch.py
+++ b/mistral/cmd/launch.py
@@ -25,12 +25,6 @@ eventlet.monkey_patch(
     socket=True,
     thread=False if '--use-debugger' in sys.argv else True,
     time=True)
-# Monkey patch the original current_thread to use the up-to-date _active
-# global variable. See https://bugs.launchpad.net/bugs/1863021 and
-# https://github.com/eventlet/eventlet/issues/592
-import __original_module_threading as orig_threading
-import threading  # noqa
-orig_threading.current_thread.__globals__['_active'] = threading._active
 
 
 import os
diff --git a/requirements.txt b/requirements.txt
index 75edb689c..3fac56998 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ alembic>=0.9.6 # MIT
 croniter>=0.3.4 # MIT License
 cachetools>=2.0.0 # MIT License
 dogpile.cache>=0.6.2 # BSD
-eventlet>=0.26.0 # MIT
+eventlet>=0.27.0 # MIT
 Jinja2>=2.10 # BSD License (3 clause)
 jsonschema>=3.2.0 # MIT
 keystonemiddleware>=4.18.0 # Apache-2.0