diff --git a/protocol/protocol.tex b/protocol/protocol.tex
index ac0049d8..778d1d56 100644
--- a/protocol/protocol.tex
+++ b/protocol/protocol.tex
@@ -14607,7 +14607,7 @@ Peter Newell's illustration of the Jubjub bird, from \cite{Carroll1902}.
 \lsection{Change History}{changehistory}
 
 
-\historyentry{2022.3.0}{}
+\historyentry{2022.3.0}{2022-03-18}
 \begin{itemize}
 \nufive{
     \item Correct a type error in the usage of $\CommitIvkAlg$: the output type