diff --git a/package.json b/package.json
index 3f95108c42..86e36eef48 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "test": "snyk test"
   },
   "dependencies": {
+    "postcss-values-parser": "6.0.2",
     "adm-zip": "0.5.2",
     "body-parser": "1.9.0",
     "cfenv": "^1.0.4",