diff --git a/package.json b/package.json
index 9a0757996..7bd91a15f 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "cpx2": "^2.0.0",
     "jsdom": "^11.12.0",
     "node-fetch": "^2.6.0",
-    "print-diff": "^0.1.1",
+    "print-diff": "^1.0.0",
     "styleless-innertext": "^1.1.2",
     "typescript": "next",
     "webidl2": "^23.12.1"