diff --git a/README.md b/README.md
index ff5d7fef0..3272d2f34 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,13 @@
+<a href="https://chriscummins.cc/u/ed/phd-thesis.pdf">
+   <img src="docs/thesis/thesis-click-me.png">
+</a>
+
+**Update:** I have finished my PhD! Please click below for my dissertation,
+which I'm delighted to say won the award for
+[PhD Award for Best Disseration in Scotland 2019-2020](https://www.sicsa.ac.uk/news-events/sicsa-conference-2020/).
+This repository is now in an archival state.
+
+
 # My PhD
 
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diff --git a/docs/thesis/thesis-click-me.png b/docs/thesis/thesis-click-me.png
new file mode 100644
index 000000000..a013ca93c
Binary files /dev/null and b/docs/thesis/thesis-click-me.png differ
diff --git a/tools/continuous_integration/buildbot/requirements.txt b/tools/continuous_integration/buildbot/requirements.txt
index 7151c5aba..3b67b2895 100644
--- a/tools/continuous_integration/buildbot/requirements.txt
+++ b/tools/continuous_integration/buildbot/requirements.txt
@@ -19,7 +19,7 @@ pbr==5.1.3
 PyHamcrest==1.9.0
 PyJWT==1.7.1
 python-dateutil==2.8.0
-PyYAML==3.13
+PyYAML==5.1
 six==1.12.0
 SQLAlchemy==1.3.0
 sqlalchemy-migrate==0.12.0