diff --git a/Misc/ACKS b/Misc/ACKS
index 0ecbb51..defa802 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -485,6 +485,7 @@
 Lambert Meertens
 Bill van Melle
 Lucas Prado Melo
+Brian Merrell
 Luke Mewburn
 Mike Meyer
 Steven Miale
diff --git a/Misc/NEWS b/Misc/NEWS
index 2423262..9fd2a51 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -354,6 +354,9 @@
 Library
 -------
 
+- Issue #4660: If a multiprocessing.JoinableQueue.put() was preempted, it was
+  possible to get a spurious 'task_done() called too many times' error.
+
 - Issue #6595: The Decimal constructor now allows arbitrary Unicode
   decimal digits in input, as recommended by the standard.  Previously
   it was restricted to accepting [0-9].