diff --git a/docs/source/firedrake_17.rst b/docs/source/firedrake_17.rst
index 940c0a3225..4eb1bca745 100644
--- a/docs/source/firedrake_17.rst
+++ b/docs/source/firedrake_17.rst
@@ -54,7 +54,7 @@ Location
 ~~~~~~~~
 
 The workshop will be held in the `Centre for Doctoral Training in
-Mathematics of Planet Earth <http://mpecdt.org>`_ at Imperial College London's South
+Mathematics of Planet Earth <https://mpecdt.ac.uk>`_ at Imperial College London's South
 Kensington Campus. Further details will follow soon.
 
 Registration