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 6fbbdb3ac37..da10aeb4445 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -237,6 +237,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #13952: Add .csv to mimetypes.types_map.  Patch by Geoff Wilson.
+
 - Issue #26587: the site module now allows .pth files to specify files to be
   added to sys.path (e.g. zip files).