diff --git a/Lib/mimetypes.py b/Lib/mimetypes.py
index d64726b80fb..f02d62d49fa 100644
--- a/Lib/mimetypes.py
+++ b/Lib/mimetypes.py
@@ -416,6 +416,7 @@ def _default_mime_types():
         '.cpio'   : 'application/x-cpio',
         '.csh'    : 'application/x-csh',
         '.css'    : 'text/css',
+        '.csv'    : 'text/csv',
         '.dll'    : 'application/octet-stream',
         '.doc'    : 'application/msword',
         '.dot'    : 'application/msword',
diff --git a/Misc/NEWS b/Misc/NEWS
index bd482851801..735cb8ac310 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -99,6 +99,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #13952: Add .csv to mimetypes.types_map.  Patch by Geoff Wilson.
+
 - Issue #26709: Fixed Y2038 problem in loading binary PLists.
 
 - Issue #23735: Handle terminal resizing with Readline 6.3+ by installing our