diff --git a/README.rst b/README.rst
index ba48ec7..8d8d910 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, March 29, 5pm CET (8am PT)** [`Hangouts link`_].
+The next Cartographer Open House Hangout is on **Thursday, April 12, 5pm CET (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
 
+- 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>`_
 - January 18, 2018: `Slides <https://storage.googleapis.com/cartographer-public-data/cartographer-open-house/180125/slides.pdf>`_