diff --git a/package.json b/package.json
index e7e89381..6c0cf7e8 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,17 @@
     "dist"
   ],
   "peerDependencies": {
-    "webpack": "^4.36.0"
+    "webpack": "^4.36.0",
+    "node-sass": "^4.0.0",
+    "sass": "^1.3.0"
+  },
+  "peerDependenciesMeta": {
+    "node-sass": {
+      "optional": true
+    },
+    "sass": {
+      "optional": true
+    }
   },
   "dependencies": {
     "clone-deep": "^4.0.1",