diff --git a/package.json b/package.json
index aed90a1..637bd1b 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,13 @@
     "dist"
   ],
   "peerDependencies": {
-    "webpack": "^4.0.0"
+    "webpack": "^4.0.0",
+    "file-loader": "*"
+  },
+  "peerDependenciesMeta": {
+    "file-loader": {
+      "optional": true
+    }
   },
   "dependencies": {
     "loader-utils": "^1.2.3",