Issue #21093: Prevent failures of ctypes test_macholib on OS X if a
copy of libz exists in $HOME/lib or /usr/local/lib.
diff --git a/Misc/NEWS b/Misc/NEWS
index baeffbb..d08d0c1 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -336,6 +336,9 @@
   redirect of http://www.python.org/ to https://www.python.org:
   use http://www.example.com instead.
 
+- Issue #21093: Prevent failures of ctypes test_macholib on OS X if a
+  copy of libz exists in $HOME/lib or /usr/local/lib.
+
 Documentation
 -------------