diff -Nru etckeeper-1.15ubuntu2/debian/changelog etckeeper-1.15ubuntu3/debian/changelog
--- etckeeper-1.15ubuntu2/debian/changelog	2015-02-16 18:04:44.000000000 +0900
+++ etckeeper-1.15ubuntu3/debian/changelog	2015-03-05 22:52:52.000000000 +0900
@@ -1,3 +1,10 @@
+etckeeper (1.15ubuntu3) vivid; urgency=medium
+
+  * supplement the last upload. make sure to fix permission on package
+    upgrade as well, LP: #1402657
+
+ -- Nobuto Murata <nobuto@ubuntu.com>  Thu, 05 Mar 2015 22:51:17 +0900
+
 etckeeper (1.15ubuntu2) vivid; urgency=medium
 
   * restore executable permission of /etc/etckeeper/commit.d/50vcs-commit,
diff -Nru etckeeper-1.15ubuntu2/debian/postinst etckeeper-1.15ubuntu3/debian/postinst
--- etckeeper-1.15ubuntu2/debian/postinst	2014-10-17 07:21:27.000000000 +0900
+++ etckeeper-1.15ubuntu3/debian/postinst	2015-03-05 22:46:14.000000000 +0900
@@ -20,6 +20,11 @@
 
 case "$1" in
 configure)
+	if dpkg --compare-versions "$2" le "1.15ubuntu2"; then
+		if [ -f /etc/etckeeper/commit.d/50vcs-commit ]; then
+			chmod +x /etc/etckeeper/commit.d/50vcs-commit
+		fi
+	fi
 	if dpkg --compare-versions "$2" le "0.7"; then
 		if [ -d /etc/etckeeper/pre-apt.d ]; then
 			mv_conffile "/etc/etckeeper/pre-apt.d/README" \