diff --git a/header.tpl b/header.tpl
index f25a0e6..6f62030 100644
--- a/header.tpl
+++ b/header.tpl
@@ -180,7 +180,7 @@
       <div class="menu-item">
         <img class="top-icon" src="img/update-icon.svg" alt="update icon"/>
         <a
-        href="https://github.com/NullHypothesis/censorbib/commits/master">Last update: 2020-01-31</a>
+        href="https://github.com/NullHypothesis/censorbib/commits/master">Last update: 2020-03-13</a>
       </div>
       <div class="menu-item">
         <img class="top-icon" src="img/donate-icon.svg" alt="donate icon"/>
diff --git a/references.bib b/references.bib
index c50067a..61cf1e8 100644
--- a/references.bib
+++ b/references.bib
@@ -1,3 +1,13 @@
+@article{Oakley2020a,
+	author = {Jonathan Oakley and Lu Yu and Xingsi Zhong and Ganesh Kumar Venayagamoorthy and Richard Brooks},
+	title = {Protocol Proxy: An {FTE}-based covert channel},
+	journal = {Computers \& Security},
+	volume = {92},
+	publisher = {Elsevier},
+	year = {2020},
+	url = {https://censorbib.nymity.ch/pdf/Oakley2020a.pdf},
+}
+
 @techreport{Fifield2016b,
 	author = {David Fifield and Mia Gil Epner},
 	title = {Fingerprintability of {WebRTC}},