diff --git a/package-lock.json b/package-lock.json
index f0923ee..1e4d233 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -28,9 +28,9 @@
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         "@web/dev-server-esbuild": "1.0.2",
         "@web/test-runner": "0.19.0",
-        "@zenfs/core": "0.9.7",
-        "@zenfs/dom": "0.2.6",
-        "@zenfs/zip": "0.3.1",
+        "@zenfs/core": "1.2.7",
+        "@zenfs/dom": "1.0.3",
+        "@zenfs/zip": "0.5.2",
         "codemirror": "6.0.1",
         "esbuild": "0.24.0",
         "idb-keyval": "6.2.1",
@@ -1740,12 +1740,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.12.12",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.12.tgz",
-      "integrity": "sha512-eWLDGF/FOSPtAvEqeRAQ4C8LSA7M1I7i0ky1I8U7kD1J5ITyW3AsRhQrKVoWf5pFKZ2kILsEGJhsI9r93PYnOw==",
+      "version": "20.17.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.3.tgz",
+      "integrity": "sha512-tSQrmKKatLDGnG92h40GD7FzUt0MjahaHwOME4VAFeeA/Xopayq5qLyQRy7Jg/pjgKIFBXuKcGhJo+UdYG55jQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "undici-types": "~5.26.4"
+        "undici-types": "~6.19.2"
       }
     },
     "node_modules/@types/parse5": {
@@ -1815,6 +1816,14 @@
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       "dev": true
     },
+    "node_modules/@types/wicg-file-system-access": {
+      "version": "2020.9.8",
+      "resolved": "https://registry.npmjs.org/@types/wicg-file-system-access/-/wicg-file-system-access-2020.9.8.tgz",
+      "integrity": "sha512-ggMz8nOygG7d/stpH40WVaNvBwuyYLnrg5Mbyf6bmsj/8+gb6Ei4ZZ9/4PNpcPNTT8th9Q8sM8wYmWGjMWLX/A==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/@types/ws": {
       "version": "7.4.7",
       "resolved": "https://registry.npmjs.org/@types/ws/-/ws-7.4.7.tgz",
@@ -2616,53 +2625,88 @@
         "node": ">=18.0.0"
       }
     },
+    "node_modules/@xterm/xterm": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@xterm/xterm/-/xterm-5.5.0.tgz",
+      "integrity": "sha512-hqJHYaQb5OptNunnyAnkHyM8aCjZ1MEIDTQu1iIbbTD/xops91NB5yq1ZK/dC2JDbVWtF23zUtl9JE2NqwT87A==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/@zenfs/core": {
-      "version": "0.9.7",
-      "resolved": "https://registry.npmjs.org/@zenfs/core/-/core-0.9.7.tgz",
-      "integrity": "sha512-Lmwt1DPhJy07Qx4m4JrzyB8LNBbe5SMq5Z+ZpLjJRfMcSHkoy64l+t8njADVKl0mns91tzo2hEcHNfKG/5Pxog==",
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/@zenfs/core/-/core-1.2.7.tgz",
+      "integrity": "sha512-sfZy8Baljw+xwW8ZXa3KmH7lLbAL0CJP00iyKJP9aUT1vlG3TIoiQ10Ge0l+OhaUlQSCg6fnbZ113kfcnKqDBA==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
-        "@types/node": "^20.12.5",
+        "@types/node": "^20.16.10",
         "@types/readable-stream": "^4.0.10",
         "buffer": "^6.0.3",
+        "eventemitter3": "^5.0.1",
         "minimatch": "^9.0.3",
         "readable-stream": "^4.5.2",
-        "utilium": "^0.2.1"
+        "utilium": "^1.0.0"
       },
       "bin": {
-        "build": "scripts/build.js",
-        "make-index": "scripts/make-index.js"
+        "make-index": "scripts/make-index.js",
+        "zenfs-test": "scripts/test.js"
       },
       "engines": {
-        "node": ">= 18"
+        "node": ">= 16"
+      },
+      "funding": {
+        "type": "individual",
+        "url": "https://github.com/sponsors/james-pre"
       }
     },
+    "node_modules/@zenfs/core/node_modules/eventemitter3": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.1.tgz",
+      "integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@zenfs/dom": {
-      "version": "0.2.6",
-      "resolved": "https://registry.npmjs.org/@zenfs/dom/-/dom-0.2.6.tgz",
-      "integrity": "sha512-TCo40azeN9b/W8z1TS0DhCUJPW0S8I5ypMOcizJ8aK4NZmC/b+bYAwrdUITHRZOatgHEncIxeK3gxXC9SaD68Q==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@zenfs/dom/-/dom-1.0.3.tgz",
+      "integrity": "sha512-u1U9w9zX40RDZthM/yHJO3t5mKII6wYBNkt3H/YqB62oGaLzj9NlXWYXPFpstKAzk2xRbXE6anwujgvc+nmeWA==",
       "dev": true,
+      "license": "MIT",
       "engines": {
         "node": ">= 18"
       },
+      "funding": {
+        "type": "individual",
+        "url": "https://github.com/sponsors/james-pre"
+      },
+      "optionalDependencies": {
+        "fake-indexeddb": "^6.0.0",
+        "file-system-access": "^1.0.4"
+      },
       "peerDependencies": {
-        "@zenfs/core": "^0.9.7"
+        "@zenfs/core": "^1.2.0"
       }
     },
     "node_modules/@zenfs/zip": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/@zenfs/zip/-/zip-0.3.1.tgz",
-      "integrity": "sha512-1Rx2qxVYNT2hb537z1xfwfFz289DIIFzhzJtVb2WoiZpz+CuXurBLYzrqI+PMojmWu+Qg9qy6kbkb2XhlGYSzQ==",
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/@zenfs/zip/-/zip-0.5.2.tgz",
+      "integrity": "sha512-1rrYJ7SWiIqa2+TCoaOY5QjTScMhPim0odpbuwrzukIW+NAR3ZGqkuMVc7/hlkdj2nxpGuvini53vWyWNwdhWQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "fflate": "^0.8.2",
-        "utilium": "^0.3.4"
+        "utilium": "^1.0.0"
       },
       "engines": {
         "node": ">= 18"
       },
+      "funding": {
+        "type": "individual",
+        "url": "https://github.com/sponsors/james-pre"
+      },
       "peerDependencies": {
-        "@zenfs/core": "^0.9.2"
+        "@zenfs/core": "^1.0.11"
       }
     },
     "node_modules/@zenfs/zip/node_modules/fflate": {
@@ -2671,12 +2715,6 @@
       "integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A==",
       "dev": true
     },
-    "node_modules/@zenfs/zip/node_modules/utilium": {
-      "version": "0.3.4",
-      "resolved": "https://registry.npmjs.org/utilium/-/utilium-0.3.4.tgz",
-      "integrity": "sha512-qk6wXThaKkeigQchXWEmTw388ZPvKHwYzpkcII/azXuE8OgQypOKH1j+fA6M88ucpqEdHqldXjNKzHya2S9lHA==",
-      "dev": true
-    },
     "node_modules/abort-controller": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz",
@@ -4671,6 +4709,17 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/fake-indexeddb": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/fake-indexeddb/-/fake-indexeddb-6.0.0.tgz",
+      "integrity": "sha512-YEboHE5VfopUclOck7LncgIqskAqnv4q0EWbYCaxKKjAvO93c+TJIaBuGy8CBFdbg9nKdpN3AuPRwVBJ4k7NrQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/fast-fifo": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/fast-fifo/-/fast-fifo-1.3.2.tgz",
@@ -4713,6 +4762,50 @@
         "pend": "~1.2.0"
       }
     },
+    "node_modules/fetch-blob": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/fetch-blob/-/fetch-blob-3.2.0.tgz",
+      "integrity": "sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "paypal",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "node-domexception": "^1.0.0",
+        "web-streams-polyfill": "^3.0.3"
+      },
+      "engines": {
+        "node": "^12.20 || >= 14.13"
+      }
+    },
+    "node_modules/file-system-access": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/file-system-access/-/file-system-access-1.0.4.tgz",
+      "integrity": "sha512-JDlhH+gJfZu/oExmtN4/6VX+q1etlrbJbR5uzoBa4BzfTRQbEXGFuGIBRk3ZcPocko3WdEclZSu+d/SByjG6Rg==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "@types/wicg-file-system-access": "^2020.9.2",
+        "fetch-blob": "^3.0.0",
+        "node-domexception": "^1.0.0"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "optionalDependencies": {
+        "web-streams-polyfill": "^3.1.0"
+      }
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -6205,6 +6298,27 @@
         "nice-grpc-common": "^2.0.2"
       }
     },
+    "node_modules/node-domexception": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-domexception/-/node-domexception-1.0.0.tgz",
+      "integrity": "sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/jimmywarting"
+        },
+        {
+          "type": "github",
+          "url": "https://paypal.me/jimmywarting"
+        }
+      ],
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">=10.5.0"
+      }
+    },
     "node_modules/normalize-path": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
@@ -7804,10 +7918,11 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "5.26.5",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
-      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
-      "dev": true
+      "version": "6.19.8",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/universalify": {
       "version": "2.0.1",
@@ -7836,10 +7951,24 @@
       "license": "MIT"
     },
     "node_modules/utilium": {
-      "version": "0.2.1",
-      "resolved": "https://registry.npmjs.org/utilium/-/utilium-0.2.1.tgz",
-      "integrity": "sha512-uLn55gYhtxFcS2X6rgvd3+aIEx5xVA3GBQgBkyJRdKAHxXXYiyB5P6ZmL/94HIWvgZaVs8xnNRCiiiRUBqyUIA==",
-      "dev": true
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/utilium/-/utilium-1.0.4.tgz",
+      "integrity": "sha512-EGesAFASk3rUTA60heHpw9aspYzRbKe5+3+QO3bS/MoXdEZr0WbMI8SQ6PgI9aEXEUKiKdWnLv4zbArbAW8ohQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "eventemitter3": "^5.0.1"
+      },
+      "optionalDependencies": {
+        "@xterm/xterm": "^5.5.0"
+      }
+    },
+    "node_modules/utilium/node_modules/eventemitter3": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.1.tgz",
+      "integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/uuid": {
       "version": "9.0.0",
@@ -8200,6 +8329,17 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/web-streams-polyfill": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.3.3.tgz",
+      "integrity": "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw==",
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
diff --git a/package.json b/package.json
index e25dd3b..96c0b72 100644
--- a/package.json
+++ b/package.json
@@ -22,9 +22,9 @@
     "@typescript/vfs": "1.6.0",
     "@web/dev-server-esbuild": "1.0.2",
     "@web/test-runner": "0.19.0",
-    "@zenfs/core": "0.9.7",
-    "@zenfs/dom": "0.2.6",
-    "@zenfs/zip": "0.3.1",
+    "@zenfs/core": "1.2.7",
+    "@zenfs/dom": "1.0.3",
+    "@zenfs/zip": "0.5.2",
     "codemirror": "6.0.1",
     "esbuild": "0.24.0",
     "idb-keyval": "6.2.1",
@@ -60,7 +60,7 @@
       "gzip": "3.5 KB"
     },
     "dist/play-pen.js": {
-      "none": "26580 KB",
+      "none": "26681 KB",
       "gzip": "4826 KB"
     }
   },
diff --git a/src/elements/play-assets/play-assets.ts b/src/elements/play-assets/play-assets.ts
index c655e7b..470257d 100644
--- a/src/elements/play-assets/play-assets.ts
+++ b/src/elements/play-assets/play-assets.ts
@@ -224,7 +224,7 @@ export class PlayAssets extends ReactiveElement {
       file = fileHandle as File
       await this.#cacheClear()
     }
-    await this.#mountRoot(Zip.create({zipData: await file.arrayBuffer()}))
+    await this.#mountRoot(Zip.create({data: await file.arrayBuffer()}))
     this.#updateState({archiveFilename: fileHandle.name})
   }