diff --git a/CHANGELOG.md b/CHANGELOG.md
index 979a0d3..86e6078 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+Changes in [1.8.4](https://github.com/vector-im/element-desktop/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 78dfb5e..4dfba32 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "element-desktop",
   "productName": "Element",
   "main": "lib/electron-main.js",
-  "version": "1.8.2",
+  "version": "1.8.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "Element",
   "repository": {