diff --git a/gunicorn/__init__.py b/gunicorn/__init__.py
index a0338c0f..dde8b757 100644
--- a/gunicorn/__init__.py
+++ b/gunicorn/__init__.py
@@ -3,6 +3,6 @@
 # This file is part of gunicorn released under the MIT license.
 # See the NOTICE for more information.
 
-version_info = (18, 0)
+version_info = (18, 1)
 __version__ = ".".join([str(v) for v in version_info])
 SERVER_SOFTWARE = "gunicorn/%s" % __version__
diff --git a/gunicorn/workers/ggevent.py b/gunicorn/workers/ggevent.py
index 75d27ea1..d3fb7320 100644
--- a/gunicorn/workers/ggevent.py
+++ b/gunicorn/workers/ggevent.py
@@ -68,7 +68,7 @@ class GeventWorker(AsyncWorker):
     def patch(self):
         from gevent import monkey
         monkey.noisy = False
-        monkey.patch_all()
+        monkey.patch_all(subprocess=True)
 
         # monkey patch sendfile to make it none blocking
         patch_sendfile()