diff --git a/package.json b/package.json
index 146a5d36..f3ded269 100644
--- a/package.json
+++ b/package.json
@@ -133,7 +133,7 @@
     "webpack-dev-server": "^1.16.2"
   },
   "optionalDependencies": {
-    "olm": "https://matrix.org/packages/npm/olm/olm-2.1.0.tgz"
+    "olm": "https://matrix.org/packages/npm/olm/olm-2.2.1.tgz"
   },
   "build": {
     "appId": "im.riot.app",