diff --git a/packages/qr-code-scanner/package.json b/packages/qr-code-scanner/package.json
index 17ae32f0d8d9e1e6f729d54bbe81e645bb54d1cc..6855af1ec69c322a208782e365a46f741350f5a2 100644
--- a/packages/qr-code-scanner/package.json
+++ b/packages/qr-code-scanner/package.json
@@ -23,7 +23,8 @@
     "rollup-plugin-copy": "^3.1.0",
     "rollup-plugin-delete": "^2.0.0",
     "rollup-plugin-serve": "^1.0.1",
-    "rollup-plugin-terser": "^6.1.0"
+    "rollup-plugin-terser": "^6.1.0",
+    "selfsigned": "^1.10.7"
   },
   "dependencies": {
     "@open-wc/scoped-elements": "^1.1.1",