diff --git a/debian/changelog b/debian/changelog
index 4606d5d6..5665b26a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+python-botocore (1.8.40+repack-1) UNRELEASED; urgency=medium
+
+  * New upstream version 1.8.40+repack
+
+ -- TANIGUCHI Takaki <takaki@debian.org>  Sun, 11 Feb 2018 17:53:37 +0900
+
 python-botocore (1.8.36+repack-1) unstable; urgency=medium
 
   * New upstream version 1.8.36+repack