diff --git a/package.json b/package.json
index 412137e..861fdde 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "postcss-reporter": "^7.0.0",
     "pretty-hrtime": "^1.0.3",
     "read-cache": "^1.0.0",
-    "slash": "^4.0.0",
+    "slash": "^5.0.0",
     "yargs": "^17.0.0"
   },
   "devDependencies": {