diff --git a/CHANGELOG.md b/CHANGELOG.md
index f2541d19..9ab5a7ec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,38 @@
+Changes in [0.12.4](https://github.com/vector-im/riot-web/releases/tag/v0.12.4) (2017-09-20)
+============================================================================================
+[Full Changelog](https://github.com/vector-im/riot-web/compare/v0.12.4-rc.1...v0.12.4)
+
+ * No changes
+
+Changes in [0.12.4-rc.1](https://github.com/vector-im/riot-web/releases/tag/v0.12.4-rc.1) (2017-09-19)
+======================================================================================================
+[Full Changelog](https://github.com/vector-im/riot-web/compare/v0.12.3...v0.12.4-rc.1)
+
+ * Fix test for new behaviour of 'joining' flag
+   [\#5053](https://github.com/vector-im/riot-web/pull/5053)
+ * fix really dumb blunder/typo preventing system from going to sleep.
+   [\#5080](https://github.com/vector-im/riot-web/pull/5080)
+ * T3chguy/devtools
+   [\#4735](https://github.com/vector-im/riot-web/pull/4735)
+ * CSS for unignore button in UserSettings
+   [\#5042](https://github.com/vector-im/riot-web/pull/5042)
+ * Fix alias on home page for identity room
+   [\#5044](https://github.com/vector-im/riot-web/pull/5044)
+ * generic contextual menu for tooltip/responses
+   [\#4989](https://github.com/vector-im/riot-web/pull/4989)
+ * Update from Weblate.
+   [\#5018](https://github.com/vector-im/riot-web/pull/5018)
+ * Avoid re-rendering RoomList on room switch
+   [\#5015](https://github.com/vector-im/riot-web/pull/5015)
+ * Fix menu on change keyboard language issue #4345
+   [\#4623](https://github.com/vector-im/riot-web/pull/4623)
+ * Make isInvite default to false
+   [\#4999](https://github.com/vector-im/riot-web/pull/4999)
+ * Revert "Implement sticky date separators"
+   [\#4991](https://github.com/vector-im/riot-web/pull/4991)
+ * Implement sticky date separators
+   [\#4939](https://github.com/vector-im/riot-web/pull/4939)
+
 Changes in [0.12.3](https://github.com/vector-im/riot-web/releases/tag/v0.12.3) (2017-09-06)
 ============================================================================================
 [Full Changelog](https://github.com/vector-im/riot-web/compare/v0.12.3-rc.3...v0.12.3)
diff --git a/electron_app/package.json b/electron_app/package.json
index ea0932b6..5f897136 100644
--- a/electron_app/package.json
+++ b/electron_app/package.json
@@ -2,7 +2,7 @@
   "name": "riot-web",
   "productName": "Riot",
   "main": "src/electron-main.js",
-  "version": "0.12.3",
+  "version": "0.12.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "Vector Creations Ltd.",
   "dependencies": {
diff --git a/package.json b/package.json
index 6866799a..083bd946 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "riot-web",
   "productName": "Riot",
   "main": "electron_app/src/electron-main.js",
-  "version": "0.12.3",
+  "version": "0.12.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "Vector Creations Ltd.",
   "repository": {
@@ -66,8 +66,8 @@
     "gfm.css": "^1.1.1",
     "highlight.js": "^9.0.0",
     "linkifyjs": "^2.1.3",
-    "matrix-js-sdk": "0.8.2",
-    "matrix-react-sdk": "0.10.3",
+    "matrix-js-sdk": "0.8.3",
+    "matrix-react-sdk": "0.10.4",
     "modernizr": "^3.1.0",
     "pako": "^1.0.5",
     "prop-types": "^15.5.10",