diff --git a/talk/popl-winter-2019/popl-talk.key b/talk/popl-winter-2019/popl-talk.key
index f4e59265b81f7c557722770cac641b4de4a1a3ec..adcdc9bb0b66b7fc2079b0bd89800a015461d993 100644
Binary files a/talk/popl-winter-2019/popl-talk.key and b/talk/popl-winter-2019/popl-talk.key differ