diff --git a/package.json b/package.json
index 5c9dc4b9e..0a687b2bf 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "bin"
   ],
   "dependencies": {
-    "assetgraph": "6.3.0",
+    "assetgraph": "6.4.0",
     "assetgraph-hashfiles": "^1.0.1",
     "assetgraph-sprite": "^3.2.0",
     "browserslist": "^4.4.2",