diff --git a/ChangeLog b/ChangeLog
index f47530c..3f04655 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon May 11 01:49:29 2009  Minero Aoki  <aamine@loveruby.net>
+
+	* net/loveruby/cflat/parser/Parser.jj: use JDK_VERSION="1.5" to
+	  suppress warnings.
+
 Mon May 11 01:47:51 2009  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/codegenerator/CodeGenerator.java ->
diff --git a/net/loveruby/cflat/parser/Parser.jj b/net/loveruby/cflat/parser/Parser.jj
index 072bb29..4df4464 100644
--- a/net/loveruby/cflat/parser/Parser.jj
+++ b/net/loveruby/cflat/parser/Parser.jj
@@ -3,6 +3,7 @@ options {
     STATIC = false;
     DEBUG_PARSER = true;
     UNICODE_INPUT = true;
+    JDK_VERSION = "1.5";
 }
 // #@@}