diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5be3d4fcd8..0e5caed698 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+Changes in [1.8.4](https://github.com/vector-im/element-web/releases/tag/v1.8.4) (2021-09-13)
+=================================================================================================
+
+## 🔒 SECURITY FIXES
+ * Fix a security issue with message key sharing. See https://matrix.org/blog/2021/09/13/vulnerability-disclosure-key-sharing
+   for details.
+
 Changes in [1.8.2](https://github.com/vector-im/element-desktop/releases/tag/v1.8.2) (2021-08-31)
 =================================================================================================
 
diff --git a/package.json b/package.json
index e1378ae7bc..46b130f582 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "element-web",
-  "version": "1.8.2",
+  "version": "1.8.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "New Vector Ltd.",
   "repository": {