diff --git a/package.json b/package.json
index 07d2841..8482cfd 100644
--- a/package.json
+++ b/package.json
@@ -40,5 +40,8 @@
     "jshint": "^2.9.6",
     "pump": "^3.0.0",
     "ui-bootstrap4": "^3.0.5"
+  },
+  "dependencies": {
+    "popper.js": "^1.15.0"
   }
 }