diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11ed5aa3..ceb729b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+Changes in [1.2.4](https://github.com/vector-im/riot-web/releases/tag/v1.2.4) (2019-07-11)
+==========================================================================================
+[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.2.3...v1.2.4)
+
+ * Upgrade to React SDK 1.3.1 and JS SDK 2.1.1
+ * Upgrade lodash dependencies
+ * JS SDK 2.1.1 includes a fix for ephemeral event processing
+ * React SDK 1.3.1 includes a fix for account deactivation
+
 Changes in [1.2.3](https://github.com/vector-im/riot-web/releases/tag/v1.2.3) (2019-07-08)
 ==========================================================================================
 [Full Changelog](https://github.com/vector-im/riot-web/compare/v1.2.3-rc.1...v1.2.3)
diff --git a/electron_app/package.json b/electron_app/package.json
index c95aef34..754bee5d 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": "1.2.3",
+  "version": "1.2.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "New Vector Ltd.",
   "dependencies": {
diff --git a/package.json b/package.json
index e72299fd..aa2290b1 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "riot-web",
   "productName": "Riot",
   "main": "electron_app/src/electron-main.js",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "description": "A feature-rich client for Matrix.org",
   "author": "New Vector Ltd.",
   "repository": {
@@ -73,8 +73,8 @@
     "gemini-scrollbar": "github:matrix-org/gemini-scrollbar#b302279",
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
-    "matrix-js-sdk": "2.1.0",
-    "matrix-react-sdk": "1.3.0",
+    "matrix-js-sdk": "2.1.1",
+    "matrix-react-sdk": "1.3.1",
     "modernizr": "^3.6.0",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.0.tgz",
     "prop-types": "^15.6.2",
diff --git a/yarn.lock b/yarn.lock
index be205782..bb634efb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5675,9 +5675,9 @@ locate-path@^3.0.0:
     path-exists "^3.0.0"
 
 lodash-es@^4.2.1:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.11.tgz#145ab4a7ac5c5e52a3531fb4f310255a152b4be0"
-  integrity sha512-DHb1ub+rMjjrxqlB3H56/6MXtm1lSksDp2rA2cNWjG8mlDUYFhUj3Di2Zn5IwSU87xLv8tNIQ7sSwE/YOX/D/Q==
+  version "4.17.14"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.14.tgz#12a95a963cc5955683cee3b74e85458954f37ecc"
+  integrity sha512-7zchRrGa8UZXjD/4ivUWP1867jDkhzTG2c/uj739utSd7O/pFFdxspCemIFKEEjErbcqRzn8nKnGsi7mvTgRPA==
 
 lodash.assign@^4.2.0:
   version "4.2.0"
@@ -5720,9 +5720,9 @@ lodash.isstring@^4.0.1:
   integrity sha1-1SfftUVuynzJu5XV2ur4i6VKVFE=
 
 lodash.mergewith@^4.6.1:
-  version "4.6.1"
-  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.1.tgz#639057e726c3afbdb3e7d42741caa8d6e4335927"
-  integrity sha512-eWw5r+PYICtEBgrBE5hhlT6aAa75f411bgDz/ZL2KZqYV03USvucsxcHUIlGTDTECs1eunpI7HOV7U+WLDvNdQ==
+  version "4.6.2"
+  resolved "https://registry.yarnpkg.com/lodash.mergewith/-/lodash.mergewith-4.6.2.tgz#617121f89ac55f59047c7aec1ccd6654c6590f55"
+  integrity sha512-GK3g5RPZWTRSeLSpgP8Xhra+pnjBC56q9FZYe1d5RN3TJ35dbkGy3YqBSMbyCrlbi+CM9Z3Jk5yTL7RCsqboyQ==
 
 lodash.toarray@^4.4.0:
   version "4.4.0"
@@ -5734,10 +5734,10 @@ lodash.union@^4.6.0:
   resolved "https://registry.yarnpkg.com/lodash.union/-/lodash.union-4.6.0.tgz#48bb5088409f16f1821666641c44dd1aaae3cd88"
   integrity sha1-SLtQiECfFvGCFmZkHETdGqrjzYg=
 
-lodash@^4.0.0, lodash@^4.1.1, lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.5.0:
-  version "4.17.11"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
-  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+lodash@^4.0.0, lodash@^4.1.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.5.0:
+  version "4.17.14"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.14.tgz#9ce487ae66c96254fe20b599f21b6816028078ba"
+  integrity sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==
 
 log4js@^3.0.0:
   version "3.0.6"
@@ -5857,10 +5857,10 @@ math-random@^1.0.1:
   resolved "https://registry.yarnpkg.com/math-random/-/math-random-1.0.4.tgz#5dd6943c938548267016d4e34f057583080c514c"
   integrity sha512-rUxjysqif/BZQH2yhd5Aaq7vXMSx9NdEsQcyA07uEzIvxgI7zIr33gGsh+RU0/XjmQpCW7RsVof1vlkvQVCK5A==
 
-matrix-js-sdk@2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-2.1.0.tgz#a8192d700e4d96028cdb64f3453935292e76faaf"
-  integrity sha512-fVgqxp9rrcGhQ9cnU2WW3KJCOIn/WJu/G2tTgWEtzeDkUl22JXiB6iYfrJO7XF8nm8W5DbJVtxWRRnV8BvWatQ==
+matrix-js-sdk@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-2.1.1.tgz#c4d9ed81e18e2c2fce9fff168fdf41f37c390b6a"
+  integrity sha512-dpVuwrQjOJn8eqtP9TRoSX6WIbdZG7+RCmqkJtfvpjB+iNgtDhodIWfrNearSBhJYezipUFu9nrt9akKfWBXxQ==
   dependencies:
     another-json "^0.2.0"
     babel-runtime "^6.26.0"
@@ -5881,10 +5881,10 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-matrix-react-sdk@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-1.3.0.tgz#ff4c8caef298a3396bf06329e476148d8325aa8b"
-  integrity sha512-ZQZuJHI0r9L7GkXtGU2a6HW4LotQwnIFo/K2c6KyCQhbuhX2HdtRdoHOXGxU69VB8VmwltwCKwVWUTiLhIsb5w==
+matrix-react-sdk@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-1.3.1.tgz#47bcb451684e09c7306db9751000e4c5af713bb7"
+  integrity sha512-qQ9O7sBkcTWbUUkv82fSZVXyXVNkL9WJkWqrAlzTUzf8pzVENqtKunQeDbrfzuYan2bHre+ot14KFwSkywOhcw==
   dependencies:
     babel-plugin-syntax-dynamic-import "^6.18.0"
     babel-runtime "^6.26.0"
@@ -5909,9 +5909,9 @@ matrix-react-sdk@1.3.0:
     is-ip "^2.0.0"
     isomorphic-fetch "^2.2.1"
     linkifyjs "^2.1.6"
-    lodash "^4.13.1"
+    lodash "^4.17.14"
     lolex "2.3.2"
-    matrix-js-sdk "2.1.0"
+    matrix-js-sdk "2.1.1"
     optimist "^0.6.1"
     pako "^1.0.5"
     png-chunks-extract "^1.0.0"