diff --git a/ubuntu/README.md b/ubuntu/README.md
index fee0b8f12..326938e06 100644
--- a/ubuntu/README.md
+++ b/ubuntu/README.md
@@ -1,9 +1,9 @@
 # Supported tags and respective `Dockerfile` links
 
--	[`12.04.5`, `12.04`, `precise-20150813`, `precise` (*precise/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/cb63850552bfbdc7faa5f8b7c3b73b14d4e79e40/precise/Dockerfile)
--	[`14.04.3`, `14.04`, `trusty-20150814`, `trusty`, `latest` (*trusty/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/cb63850552bfbdc7faa5f8b7c3b73b14d4e79e40/trusty/Dockerfile)
--	[`15.04`, `vivid-20150813`, `vivid` (*vivid/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/cb63850552bfbdc7faa5f8b7c3b73b14d4e79e40/vivid/Dockerfile)
--	[`15.10`, `wily-20150818`, `wily` (*wily/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/cb63850552bfbdc7faa5f8b7c3b73b14d4e79e40/wily/Dockerfile)
+-	[`12.04.5`, `12.04`, `precise-20150813`, `precise` (*precise/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/6dba3ee12ff996640d1043139d5abf8c744862e2/precise/Dockerfile)
+-	[`14.04.3`, `14.04`, `trusty-20150814`, `trusty`, `latest` (*trusty/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/6dba3ee12ff996640d1043139d5abf8c744862e2/trusty/Dockerfile)
+-	[`15.04`, `vivid-20150813`, `vivid` (*vivid/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/6dba3ee12ff996640d1043139d5abf8c744862e2/vivid/Dockerfile)
+-	[`15.10`, `wily-20150829`, `wily` (*wily/Dockerfile*)](https://github.com/tianon/docker-brew-ubuntu-core/blob/6dba3ee12ff996640d1043139d5abf8c744862e2/wily/Dockerfile)
 
 For more information about this image and its history, please see the [relevant manifest file (`library/ubuntu`)](https://github.com/docker-library/official-images/blob/master/library/ubuntu) in the [`docker-library/official-images` GitHub repo](https://github.com/docker-library/official-images).