diff --git a/HISTORY.md b/HISTORY.md
index ada982e..29882d6 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,6 +1,13 @@
 Express State Change History
 ============================
 
+2.0.0 (2020-04-28)
+------------------
+
+* Upgrade [`serialize-javascript`][serialize-javascript]
+  to version 3.0.0 ([#41][]).
+
+
 1.3.0 (2015-08-26)
 ------------------