diff --git a/ChangeLog b/ChangeLog
index 73a6dc0b00..8683bf333e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Feb 17 01:09:52 2014  Eric Wong <e@80x24.org>
+
+	* benchmark/driver: avoid large alloc in driver process
+	  [ruby-core:59869] [Bug #9430]
+
 Mon Feb 17 00:59:40 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread_pthread.c (rb_thread_create_timer_thread): fix for platforms
diff --git a/benchmark/driver.rb b/benchmark/driver.rb
index 695dc41aff..cbc72cf604 100644
--- a/benchmark/driver.rb
+++ b/benchmark/driver.rb
@@ -242,7 +242,7 @@ class BenchmarkDriver
     cmd = "#{executable} #{@ruby_arg} #{file}"
 
     m = Benchmark.measure{
-      `#{cmd}`
+      system(cmd, out: File::NULL)
     }
 
     if $? != 0
diff --git a/version.h b/version.h
index 2fe80f5868..444adc3f21 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2014-02-17"
-#define RUBY_PATCHLEVEL 425
+#define RUBY_PATCHLEVEL 426
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 2