diff --git a/Changes b/Changes
index e4f103f..a54cf21 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,11 @@ Revision history for Perl extension HTTP-Session2
 
 {{$NEXT}}
 
+1.01 2014-07-28T11:43:10Z
+
+    - Revert HMAC strategy...
+      It breaks our code...
+
 1.00 2014-07-28T04:09:47Z
 
     [INCOMPATIBLE CHANGE]
diff --git a/META.json b/META.json
index ae09304..872bc94 100644
--- a/META.json
+++ b/META.json
@@ -72,7 +72,7 @@
          "web" : "https://github.com/tokuhirom/HTTP-Session2"
       }
    },
-   "version" : "1.00",
+   "version" : "1.01",
    "x_contributors" : [
       "magai <xxmagai@gmail.com>"
    ]
diff --git a/lib/HTTP/Session2.pm b/lib/HTTP/Session2.pm
index f0f5498..5a36415 100644
--- a/lib/HTTP/Session2.pm
+++ b/lib/HTTP/Session2.pm
@@ -3,7 +3,7 @@ use 5.008005;
 use strict;
 use warnings;
 
-our $VERSION = "1.00";
+our $VERSION = "1.01";
 
 1;
 __END__
diff --git a/lib/HTTP/Session2/ServerStore.pm b/lib/HTTP/Session2/ServerStore.pm
index f177720..b4487fb 100644
--- a/lib/HTTP/Session2/ServerStore.pm
+++ b/lib/HTTP/Session2/ServerStore.pm
@@ -4,7 +4,7 @@ use warnings;
 use utf8;
 use 5.008_001;
 
-our $VERSION = "1.00";
+our $VERSION = "1.01";
 
 use Carp ();
 use Digest::HMAC;