diff --git a/AUTHORS.rst b/AUTHORS.rst
index 3e72f34d..8cf76e9d 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -80,3 +80,4 @@ Patches and Suggestions
 - David Kemp
 - Brendon Crawford
 - Denis (Telofy)
+- Cory Benfield (Lukasa)
diff --git a/requests/packages/oreos/monkeys.py b/requests/packages/oreos/monkeys.py
index 2269e30b..54975c8f 100644
--- a/requests/packages/oreos/monkeys.py
+++ b/requests/packages/oreos/monkeys.py
@@ -252,7 +252,8 @@ class CookieError(Exception):
 #       _LegalChars       is the list of chars which don't require "'s
 #       _Translator       hash-table for fast quoting
 #
-_LegalChars       = string.ascii_letters + string.digits + "!#$%&'*+-.^_`|~[]_"
+_LegalChars       = ( string.ascii_letters + string.digits + 
+                      "!#$%&'*+-.^_`|~[]_:{}" )
 _Translator       = {
     '\000' : '\\000',  '\001' : '\\001',  '\002' : '\\002',
     '\003' : '\\003',  '\004' : '\\004',  '\005' : '\\005',