diff --git a/ChangeLog b/ChangeLog
index 767443f8a2..caf113894f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Nov 24 20:05:27 2009  Tanaka Akira  <akr@fsij.org>
+
+	* defs/known_errors.def: more errors.
+
 Tue Nov 24 20:01:49 2009  Tanaka Akira  <akr@fsij.org>
 
 	* include/ruby/ruby.h (rb_bug_errno): declared.
diff --git a/defs/known_errors.def b/defs/known_errors.def
index 9f09aa9c22..3cebe90a8e 100644
--- a/defs/known_errors.def
+++ b/defs/known_errors.def
@@ -120,3 +120,26 @@ ENAVAIL
 EISNAM
 EREMOTEIO
 EDQUOT
+ECANCELED
+EKEYEXPIRED
+EKEYREJECTED
+EKEYREVOKED
+EMEDIUMTYPE
+ENOKEY
+ENOMEDIUM
+ENOTRECOVERABLE
+EOWNERDEAD
+ERFKILL
+EAUTH
+EBADRPC
+EDOOFUS
+EFTYPE
+ENEEDAUTH
+ENOATTR
+ENOTSUP
+EPROCLIM
+EPROCUNAVAIL
+EPROGMISMATCH
+EPROGUNAVAIL
+ERPCMISMATCH
+EIPSEC