diff --git a/package.json b/package.json
index 35a20fa7..652b0c0f 100644
--- a/package.json
+++ b/package.json
@@ -185,7 +185,7 @@
     "extract-text-webpack-plugin": "^4.0.0-alpha.0",
     "fast-async": "^7.0.6",
     "file-loader": "^2.0.0",
-    "gritty": "^3.0.1",
+    "gritty": "^4.0.0",
     "gunzip-maybe": "^1.3.1",
     "html-looks-like": "^1.0.2",
     "html-webpack-plugin": "^3.0.7",