diff --git a/Changes b/Changes
index 1065101..6fece27 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,9 @@ Revision history for Perl extension Otogiri
 
 {{$NEXT}}
 
+0.05 2013-12-28T15:53:17Z
+    - bug fix: single() returns a void hashref if WHERE-clause is not matched to rows. [ytnobody]
+
 0.04 2013-12-27T00:15:04Z
     - incompatible change [tsucchi++]
       search_by_sql($sql, @binds) -> search_by_sql($sql, $binds_aref, $table)
diff --git a/META.json b/META.json
index 049a4a5..d95df1a 100644
--- a/META.json
+++ b/META.json
@@ -67,7 +67,7 @@
          "web" : "https://github.com/ytnobody/Otogiri"
       }
    },
-   "version" : "0.04",
+   "version" : "0.05",
    "x_contributors" : [
       "papix <mail@papix.net>",
       "Takuya Tsuchida <tsucchi@cpan.org>"
diff --git a/lib/Otogiri.pm b/lib/Otogiri.pm
index c8147c8..2a87ffd 100644
--- a/lib/Otogiri.pm
+++ b/lib/Otogiri.pm
@@ -3,7 +3,7 @@ use 5.008005;
 use strict;
 use warnings;
 
-our $VERSION = "0.04";
+our $VERSION = "0.05";
 
 use Class::Accessor::Lite (
     ro => [qw/connect_info/],