diff --git a/CHANGELOG.md b/CHANGELOG.md
index 920396d0..370eb4dd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,43 @@
+Changes in [1.6.6](https://github.com/vector-im/riot-web/releases/tag/v1.6.6) (2020-06-23)
+==========================================================================================
+[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.6.6-rc.1...v1.6.6)
+
+ * Upgrade to JS SDK 7.0.0 and React SDK 2.8.0
+
+Changes in [1.6.6-rc.1](https://github.com/vector-im/riot-web/releases/tag/v1.6.6-rc.1) (2020-06-17)
+====================================================================================================
+[Full Changelog](https://github.com/vector-im/riot-web/compare/v1.6.5...v1.6.6-rc.1)
+
+ * Upgrade to JS SDK 7.0.0-rc.1 and React SDK 2.8.0-rc.1
+ * Update from Weblate
+   [\#14067](https://github.com/vector-im/riot-web/pull/14067)
+ * Update from Weblate
+   [\#14032](https://github.com/vector-im/riot-web/pull/14032)
+ * Attempt to fix decoder ring for relative hosted riots
+   [\#13987](https://github.com/vector-im/riot-web/pull/13987)
+ * Upgrade deps
+   [\#13952](https://github.com/vector-im/riot-web/pull/13952)
+ * Fix riot-desktop manual update check getting stuck on Downloading...
+   [\#13946](https://github.com/vector-im/riot-web/pull/13946)
+ * Bump websocket-extensions from 0.1.3 to 0.1.4
+   [\#13943](https://github.com/vector-im/riot-web/pull/13943)
+ * Add e2ee-default:false docs
+   [\#13914](https://github.com/vector-im/riot-web/pull/13914)
+ * make IPC calls to get pickle key
+   [\#13846](https://github.com/vector-im/riot-web/pull/13846)
+ * fix loading test for new sso pattern
+   [\#13913](https://github.com/vector-im/riot-web/pull/13913)
+ * Fix login loop where the sso flow returns to `#/login`
+   [\#13889](https://github.com/vector-im/riot-web/pull/13889)
+ * Fix typo in docs
+   [\#13905](https://github.com/vector-im/riot-web/pull/13905)
+ * Remove cross-signing from labs
+   [\#13904](https://github.com/vector-im/riot-web/pull/13904)
+ * Add PWA Platform with PWA-specific badge controls
+   [\#13890](https://github.com/vector-im/riot-web/pull/13890)
+ * Modernizr check for subtle crypto as we require it all over the place
+   [\#13828](https://github.com/vector-im/riot-web/pull/13828)
+
 Changes in [1.6.5](https://github.com/vector-im/riot-web/releases/tag/v1.6.5) (2020-06-16)
 ==========================================================================================
 [Full Changelog](https://github.com/vector-im/riot-web/compare/v1.6.4...v1.6.5)
diff --git a/package.json b/package.json
index e9c45d79..72827975 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "riot-web",
   "productName": "Riot",
-  "version": "1.6.5",
+  "version": "1.6.6",
   "description": "A feature-rich client for Matrix.org",
   "author": "New Vector Ltd.",
   "repository": {
@@ -60,8 +60,8 @@
     "browser-request": "^0.3.3",
     "gfm.css": "^1.1.2",
     "highlight.js": "^9.13.1",
-    "matrix-js-sdk": "github:matrix-org/matrix-js-sdk#develop",
-    "matrix-react-sdk": "github:matrix-org/matrix-react-sdk#develop",
+    "matrix-js-sdk": "7.0.0",
+    "matrix-react-sdk": "2.8.0",
     "olm": "https://packages.matrix.org/npm/olm/olm-3.1.4.tgz",
     "postcss-easings": "^2.0.0",
     "prop-types": "^15.7.2",
diff --git a/yarn.lock b/yarn.lock
index 4e5e5baa..08538ae9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6973,9 +6973,10 @@ mathml-tag-names@^2.1.1:
   resolved "https://registry.yarnpkg.com/mathml-tag-names/-/mathml-tag-names-2.1.3.tgz#4ddadd67308e780cf16a47685878ee27b736a0a3"
   integrity sha512-APMBEanjybaPzUrfqU0IMU5I0AswKMH7k8OTLs0vvV4KZpExkTkY87nR/zpbuTPj+gARop7aGUbl11pnDfW6xg==
 
-"matrix-js-sdk@github:matrix-org/matrix-js-sdk#develop":
-  version "6.2.2"
-  resolved "https://codeload.github.com/matrix-org/matrix-js-sdk/tar.gz/1c194e81637fb07fe6ad67cda33be0d5d4c10115"
+matrix-js-sdk@7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/matrix-js-sdk/-/matrix-js-sdk-7.0.0.tgz#da2b24e57574379c3d8f7065eb68ea6c479d9806"
+  integrity sha512-0i1NmfwS5HzEPPjqUAXpw81o+8DImBS67QQBemJiM6D/imU3KFBacdhkmgjMLKXnAfTy6a+aCGfYBfVolfmNQw==
   dependencies:
     "@babel/runtime" "^7.8.3"
     another-json "^0.2.0"
@@ -6995,9 +6996,10 @@ matrix-mock-request@^1.2.3:
     bluebird "^3.5.0"
     expect "^1.20.2"
 
-"matrix-react-sdk@github:matrix-org/matrix-react-sdk#develop":
-  version "2.7.2"
-  resolved "https://codeload.github.com/matrix-org/matrix-react-sdk/tar.gz/6f6793bc858186d9eeaad9969914d016dd2a8f1b"
+matrix-react-sdk@2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/matrix-react-sdk/-/matrix-react-sdk-2.8.0.tgz#f020bfa29b7f2830815c3096d28b462c41686913"
+  integrity sha512-C/c4GNMtG3jGXC6QDebVQ6CzwgLzn/WuMsVUZJQBrFGjHsByMv7WmXVaLDbWYJh/qS/V+nL/Mz5Wm6hqeUUTFQ==
   dependencies:
     "@babel/runtime" "^7.8.3"
     await-lock "^2.0.1"
@@ -7025,7 +7027,7 @@ matrix-mock-request@^1.2.3:
     is-ip "^2.0.0"
     linkifyjs "^2.1.6"
     lodash "^4.17.14"
-    matrix-js-sdk "github:matrix-org/matrix-js-sdk#develop"
+    matrix-js-sdk "7.0.0"
     minimist "^1.2.0"
     pako "^1.0.5"
     parse5 "^5.1.1"