diff --git a/Changes b/Changes
index fb8ef47..ad21f65 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension Unqlite
 
 {{$NEXT}}
 
+0.03 2013-07-18T03:14:07Z
+
+    - more OPEN consts as mode argument
+      we do not only want to create databases
+      (Reini Urban)
+
 0.02 2013-07-05T06:42:59Z
 
     - Store RC to magic to fix race condition
diff --git a/META.json b/META.json
index a49c33f..d104f75 100644
--- a/META.json
+++ b/META.json
@@ -63,8 +63,9 @@
          "web" : "https://github.com/tokuhirom/UnQLite"
       }
    },
-   "version" : "0.02",
+   "version" : "0.03",
    "x_contributors" : [
-      "Kenichi Ishigaki <ishigaki@cpan.org>"
+      "Kenichi Ishigaki <ishigaki@cpan.org>",
+      "Reini Urban <rurban@cpanel.net>"
    ]
 }
diff --git a/README.md b/README.md
index 1286c87..44bad80 100644
--- a/README.md
+++ b/README.md
@@ -6,14 +6,14 @@ UnQLite - Perl bindings for UnQLite
 
     use UnQLite;
 
-    my $db = UnQLite->open('foo.db');
+    my $db = UnQLite->open('foo.db', UNQLITE_OPEN_READWRITE|UNQLITE_OPEN_CREATE);
     $db->kv_store('foo', 'bar');
     say $db->kv_fetch('foo'); # => bar
     $db->kv_delete('foo');
     undef $db; # close database
 
     # tie interface
-    tie my %hash, 'UnQLite', 'foo.db';
+    tie my %hash, 'UnQLite', 'foo.db', UNQLITE_OPEN_READWRITE;
     $hash{foo} = 'bar';
     say $hash{foo}; # => bar
 
@@ -35,6 +35,17 @@ __You can use UnQLite.pm as DBM__.
 
     Open the database.
 
+    Modes:
+
+        UNQLITE_OPEN_CREATE      (Default)
+        UNQLITE_OPEN_READONLY
+        UNQLITE_OPEN_READWRITE
+        UNQLITE_OPEN_EXCLUSIVE
+        UNQLITE_OPEN_TEMP_DB
+        UNQLITE_OPEN_OMIT_JOURNALING
+        UNQLITE_OPEN_IN_MEMORY
+        UNQLITE_OPEN_MMAP
+
 - `$db->kv_store($key, $value);`
 
     Store the entry to database.
diff --git a/lib/UnQLite.pm b/lib/UnQLite.pm
index 9efb43b..6ba7b52 100644
--- a/lib/UnQLite.pm
+++ b/lib/UnQLite.pm
@@ -4,7 +4,7 @@ use strict;
 use warnings;
 use Carp ();
 
-our $VERSION = "0.02";
+our $VERSION = "0.03";
 our $rc = 0;
 
 use XSLoader;