diff --git a/package.json b/package.json
index 3079d285..0b4c58b3 100644
--- a/package.json
+++ b/package.json
@@ -193,7 +193,7 @@
     "smalltalk": "^4.0.0",
     "style-loader": "^2.0.0",
     "supermenu": "^4.0.1",
-    "supertape": "^4.1.0",
+    "supertape": "^5.0.0",
     "tar-stream": "^2.0.0",
     "unionfs": "^4.0.0",
     "url-loader": "^4.0.0",