diff --git a/ChangeLog b/ChangeLog
index 5d6bb65a7b..5490fb4c11 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Nov  9 11:45:19 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* gems/bundled_gems: upgraded to test-unit 3.0.5.
+
 Sun Nov  9 11:40:50 2014  Tanaka Akira  <akr@fsij.org>
 
 	* defs/known_errors.def: More errors for FreeBSD.
diff --git a/gems/bundled_gems b/gems/bundled_gems
index 9c60dd5095..6cf8851ab2 100644
--- a/gems/bundled_gems
+++ b/gems/bundled_gems
@@ -1,3 +1,3 @@
 power_assert 0.2.0
-test-unit 3.0.3
+test-unit 3.0.5
 minitest 5.4.2