diff --git a/package.json b/package.json
index d4a2c568d5..b328823b24 100644
--- a/package.json
+++ b/package.json
@@ -159,6 +159,7 @@
     "lolex": "^5.1.2",
     "matrix-mock-request": "^1.2.3",
     "matrix-react-test-utils": "^0.2.2",
+    "olm": "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz",
     "react-test-renderer": "^16.13.1",
     "rimraf": "^2.7.1",
     "stylelint": "^9.10.1",
diff --git a/yarn.lock b/yarn.lock
index fa3e39732b..1a6a0b0fb3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6994,6 +6994,10 @@ object.values@^1.1.1:
     function-bind "^1.1.1"
     has "^1.0.3"
 
+"olm@https://packages.matrix.org/npm/olm/olm-3.2.1.tgz":
+  version "3.2.1"
+  resolved "https://packages.matrix.org/npm/olm/olm-3.2.1.tgz#d623d76f99c3518dde68be8c86618d68bc7b004a"
+
 once@^1.3.0, once@^1.3.1, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"