diff --git a/website/package.json b/website/package.json
index 20cc56795..33cb440ea 100644
--- a/website/package.json
+++ b/website/package.json
@@ -8,7 +8,10 @@
     "got": "11.8.5",
     "node-forge": "1.3.0",
     "minimatch": "3.0.5",
-    "loader-utils": "2.0.4"
+    "loader-utils": "2.0.4",
+    "eta": "2.0.0",
+    "@sideway/formula": "3.0.1",
+    "http-cache-semantics": "4.1.1"
    },
   "scripts": {
     "docusaurus": "docusaurus",