2 files changed, 2 insertions, 2 deletions
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 b0527e9a72..54fd73d42b 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.1.1"
 #define RUBY_RELEASE_DATE "2014-02-22"
-#define RUBY_PATCHLEVEL 65
+#define RUBY_PATCHLEVEL 66
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 2