diff --git a/.gitignore b/.gitignore
index 1a2c28c3ba..9515852837 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,6 +56,10 @@ y.tab.c
 /config.status.lineno
 /configure
 /coverage/simplecov
+/coverage/.last_run.json
+/coverage/.resultset.json*
+/coverage/assets
+/coverage/index.html
 /doc/capi
 /enc.mk
 /encdb.h
diff --git a/ChangeLog b/ChangeLog
index e64867528e..269293e5f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Sep 11 18:40:16 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* .gitignore: ignored temporary files and coverage results.
+
 Thu Sep 11 18:15:30 2014  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
 
 	* .gitignore: ignored only simplecov.