diff --git a/Changes b/Changes
index 3c3c2d9..24da7de 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,12 @@ Revision history for Perl extension HTTP-Session2
 
 {{$NEXT}}
 
+1.06 2014-08-01T14:00:33Z
+
+    [BUG FIX]
+    - Random string generator doesn't works if /dev/urandom is not available.
+      This issue was introduced at 1.02.
+
 1.05 2014-08-01T11:20:13Z
 
     - Show warnings if the secret string is too short.
diff --git a/META.json b/META.json
index 8ec577d..9675f9b 100644
--- a/META.json
+++ b/META.json
@@ -76,7 +76,7 @@
          "web" : "https://github.com/tokuhirom/HTTP-Session2"
       }
    },
-   "version" : "1.05",
+   "version" : "1.06",
    "x_contributors" : [
       "magai <xxmagai@gmail.com>"
    ]
diff --git a/lib/HTTP/Session2.pm b/lib/HTTP/Session2.pm
index a35b39c..4f3211a 100644
--- a/lib/HTTP/Session2.pm
+++ b/lib/HTTP/Session2.pm
@@ -3,7 +3,7 @@ use 5.008005;
 use strict;
 use warnings;
 
-our $VERSION = "1.05";
+our $VERSION = "1.06";
 
 1;
 __END__
diff --git a/lib/HTTP/Session2/ServerStore.pm b/lib/HTTP/Session2/ServerStore.pm
index 27a8bf1..d3b78b8 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 = "1.05";
+our $VERSION = "1.06";
 
 use Carp ();
 use Digest::HMAC;