diff --git a/pytools/__init__.py b/pytools/__init__.py
index a324e945f83d43d4616c8b819b71faa12aa83151..2f95fe453496f6f13da1fdb7d13d03632dd77395 100644
--- a/pytools/__init__.py
+++ b/pytools/__init__.py
@@ -2087,6 +2087,8 @@ class ProcessTimer(object):
     .. attribute:: process_elapsed
 
         Only available in Python 3.3+.
+
+    .. versionadded:: 2018.5
     """
 
     def __init__(self):
diff --git a/pytools/version.py b/pytools/version.py
index 767534349a8880ae9431a851e216897441a3e654..f162048c5e67e4e2e9d4b2927ab63e1c41cdab2c 100644
--- a/pytools/version.py
+++ b/pytools/version.py
@@ -1,3 +1,3 @@
-VERSION = (2018, 4)
+VERSION = (2018, 5)
 VERSION_STATUS = ""
 VERSION_TEXT = ".".join(str(x) for x in VERSION) + VERSION_STATUS