diff --git a/Changes b/Changes
index e3738a9..57f80c5 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl extension Otogiri-Plugin-DeleteCascade
 
 {{$NEXT}}
 
+    - requires Otogiri 0.12(deflate bug is fixed)
+
 0.03 2014-05-30T13:19:02Z
 
     - fix: remove inappropriate deflate
diff --git a/META.json b/META.json
index 10d2972..9c62758 100644
--- a/META.json
+++ b/META.json
@@ -45,7 +45,7 @@
       "runtime" : {
          "requires" : {
             "DBIx::Inspector" : "0",
-            "Otogiri" : "0.11",
+            "Otogiri" : "0.12",
             "Otogiri::Plugin" : "0.02",
             "perl" : "5.008005"
          }
diff --git a/cpanfile b/cpanfile
index 79aa706..7a1b0e5 100644
--- a/cpanfile
+++ b/cpanfile
@@ -1,4 +1,4 @@
-requires 'Otogiri', '0.11';
+requires 'Otogiri', '0.12';
 requires 'Otogiri::Plugin', '0.02';
 requires 'DBIx::Inspector';