diff --git a/README.rst b/README.rst
index bd6d921..3ec919f 100644
--- a/README.rst
+++ b/README.rst
@@ -45,11 +45,12 @@ Open house
 We regularly meet in an open-for-all Google hangout to discuss progress and plans for Cartographer.
 You can join the `mailing list`_ to receive announcements.
 
-The next Cartographer Open House Hangout is on **Thursday, May 3, 5pm CEST (8am PT)** [`Hangouts link`_].
+The next Cartographer Open House Hangout is on **Thursday, May 24, 5pm CEST (8am PT)** [`Hangouts link`_].
 
 .. _mailing list: https://groups.google.com/forum/#!forum/google-cartographer
 .. _Hangouts link: https://staging.talkgadget.google.com/hangouts/_/google.com/cartographeropenhouse
 
+- May 3, 2018: `Slides <https://storage.googleapis.com/cartographer-public-data/cartographer-open-house/180503/slides.pdf>`_
 - March 29, 2018: `Slides <https://storage.googleapis.com/cartographer-public-data/cartographer-open-house/180329/slides.pdf>`_
 - February 22, 2018: `Slides <https://storage.googleapis.com/cartographer-public-data/cartographer-open-house/180222/slides.pdf>`_
 - February 8, 2018: `Slides <https://storage.googleapis.com/cartographer-public-data/cartographer-open-house/180208/slides.pdf>`_