diff --git a/ChangeLog b/ChangeLog
index 6077fb52c7..29cdc7e973 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Aug 16 02:47:39 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* cont.c (rb_fiber_m_yield): added.  use this function
+	  for Fiber#yield instead of rb_fiber_yield.
+
 Thu Aug 16 00:36:52 2007  Tanaka Akira  <akr@fsij.org>
 
 	* lib/tmpdir.rb (Dir.mktmpdir): new method.  [ruby-dev:31416]
diff --git a/cont.c b/cont.c
index bc5e9975de..fe2216d186 100644
--- a/cont.c
+++ b/cont.c
@@ -630,6 +630,12 @@ rb_fiber_yield(VALUE fib, int argc, VALUE *argv)
     return value;
 }
 
+static VALUE
+rb_fiber_m_yield(int argc, VALUE *argv, VALUE fib)
+{
+    return rb_fiber_yield(fib, argc, argv);
+}
+
 static VALUE
 rb_fiber_prev(VALUE fib)
 {
@@ -676,7 +682,7 @@ Init_Cont(void)
 
     rb_cFiber = rb_define_class("Fiber", rb_cObject);
     rb_undef_alloc_func(rb_cFiber);
-    rb_define_method(rb_cFiber, "yield", rb_fiber_yield, -1);
+    rb_define_method(rb_cFiber, "yield", rb_fiber_m_yield, -1);
     rb_define_method(rb_cFiber, "prev", rb_fiber_prev, 0);
     rb_define_method(rb_cFiber, "alive?", rb_fiber_alive_p, 0);
 
diff --git a/version.h b/version.h
index 5179f49d25..42525b62c9 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-08-15"
+#define RUBY_RELEASE_DATE "2007-08-16"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070815
+#define RUBY_RELEASE_CODE 20070816
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 8
-#define RUBY_RELEASE_DAY 15
+#define RUBY_RELEASE_DAY 16
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];