diff --git a/package.json b/package.json
index 9d91626fc87..e9a4bcfd1bb 100644
--- a/package.json
+++ b/package.json
@@ -66,6 +66,7 @@
     "@types/angular": "^1.6.34",
     "@types/chrome": "0.0.51",
     "@types/jquery": "^3.2.16",
+    "@types/webcrypto": "^0.0.28",
     "@uirouter/angularjs": "^1.0.10"
   }
 }