diff --git a/ChangeLog b/ChangeLog
index 92fe43421d..5916250c70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Feb 14 00:00:19 2012  okkez  <okkez000@gmail.com>
+
+	* thread_pthread.c (rb_thread_create_timer_thread): fix memory
+	  leak. [ruby-dev:44904] [Bug #5688]
+
 Fri Feb  9 02:11:19 2012  Martin Bosslet  <Martin.Bosslet@googlemail.com>
 
 	* backport r34482 from trunk
diff --git a/thread_pthread.c b/thread_pthread.c
index cf054f5e44..627e39bb60 100644
--- a/thread_pthread.c
+++ b/thread_pthread.c
@@ -857,6 +857,7 @@ rb_thread_create_timer_thread(void)
 	}
 	native_cond_wait(&timer_thread_cond, &timer_thread_lock);
 	native_mutex_unlock(&timer_thread_lock);
+	pthread_attr_destroy(&attr);
     }
     rb_disable_interrupt(); /* only timer thread recieve signal */
 }
diff --git a/version.h b/version.h
index a698615b5c..c31c3d5be8 100644
--- a/version.h
+++ b/version.h
@@ -1,13 +1,13 @@
 #define RUBY_VERSION "1.9.2"
-#define RUBY_PATCHLEVEL 315
+#define RUBY_PATCHLEVEL 316
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1
 
 #define RUBY_RELEASE_YEAR 2012
 #define RUBY_RELEASE_MONTH 2
-#define RUBY_RELEASE_DAY 10
-#define RUBY_RELEASE_DATE "2012-02-10"
+#define RUBY_RELEASE_DAY 14
+#define RUBY_RELEASE_DATE "2012-02-14"
 
 #include "ruby/version.h"