diff --git a/package.json b/package.json
index d62b8e8..579401b 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "c8": "^10.1.2",
-    "is-stream": "^3.0.0",
+    "is-stream": "^4.0.1",
     "mocha": "^10.2.0",
     "rdf-ext": "^2.4.0",
     "shelljs": "^0.8.5",