diff --git a/ChangeLog b/ChangeLog
index 58609e0ecb..c1b9d0b62f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 15 10:00:36 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* common.mk (btest-ruby): use RUNRUBY instead of MINIRUBY to load the
+	  shared library.  [Bug #849]
+
 Sun Dec 14 22:31:19 2008  Yusuke Endoh  <mame@tsg.ne.jp>
 
 	* bignum.c (bigmul1_karatsuba): remove temporal bignum.
diff --git a/common.mk b/common.mk
index dfe1c632f3..315672e5e1 100644
--- a/common.mk
+++ b/common.mk
@@ -365,7 +365,7 @@ btest: miniruby$(EXEEXT) PHONY
 	$(BOOTSTRAPRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(MINIRUBY)" $(OPTS)
 
 btest-ruby: miniruby$(EXEEXT) $(RBCONFIG) $(PROGRAM) PHONY
-	@$(MINIRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM) -I$(srcdir)/lib" -q
+	@$(RUNRUBY) "$(srcdir)/bootstraptest/runner.rb" --ruby="$(PROGRAM) -I$(srcdir)/lib" -q
 
 test-sample: miniruby$(EXEEXT) $(RBCONFIG) $(PROGRAM) PHONY
 	@$(MINIRUBY) $(srcdir)/rubytest.rb
diff --git a/version.h b/version.h
index 9c93b29a73..08290c057e 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_RELEASE_DATE "2008-12-14"
+#define RUBY_RELEASE_DATE "2008-12-15"
 #define RUBY_PATCHLEVEL 5000
 
 #define RUBY_VERSION_MAJOR 1
@@ -7,7 +7,7 @@
 #define RUBY_VERSION_TEENY 1
 #define RUBY_RELEASE_YEAR 2008
 #define RUBY_RELEASE_MONTH 12
-#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DAY 15
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];