diff --git a/package.json b/package.json
index 64f245d..b20d797 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
     "image-webpack-loader": "^6.0.0",
     "lit-scss-loader": "^1.0.0",
     "mocha": "^5.2.0",
-    "node-sass": "^4.12.0",
+    "node-sass": "^4.13.1",
     "pixelmatch": "^4.0.2",
     "polymer-cli": "^1.9.3",
     "polyserve": "^0.27.0",