diff --git a/perl/Changes b/perl/Changes
index 5cde8c2b..dae261ff 100644
--- a/perl/Changes
+++ b/perl/Changes
@@ -1,3 +1,7 @@
+0.11
+
+    - oops(no feature changes)
+
 0.10
 
     - added more test cases.
diff --git a/perl/lib/Data/MessagePack.pm b/perl/lib/Data/MessagePack.pm
index d44f0aa1..ebc7eb7b 100644
--- a/perl/lib/Data/MessagePack.pm
+++ b/perl/lib/Data/MessagePack.pm
@@ -4,7 +4,7 @@ use warnings;
 use XSLoader;
 use 5.008001;
 
-our $VERSION = '0.10';
+our $VERSION = '0.11';
 our $PreferInteger = 0;
 
 our $true  = do { bless \(my $dummy = 1), "Data::MessagePack::Boolean" };