diff --git a/app/scripts/use-snow.js b/app/scripts/use-snow.js
index 11b01d78d..868db4e36 100644
--- a/app/scripts/use-snow.js
+++ b/app/scripts/use-snow.js
@@ -1,8 +1,21 @@
+/*
+NOTICE:
+This Snow + LavaMoat scuttling integration is currently being used
+with an experimental API (https://github.com/LavaMoat/LavaMoat/pull/462).
+Changing this code must be done cautiously to avoid breaking the app!
+*/
+
 // eslint-disable-next-line import/unambiguous
 (function () {
   const log = console.log.bind(console);
-  const msg = 'SNOW INTERCEPTED NEW WINDOW CREATION IN METAMASK APP: ';
-  window.top.SNOW((win) => {
-    log(msg, win, win?.frameElement);
+  const msg =
+    'Snow detected a new realm creation attempt in MetaMask. Performing scuttling on new realm.';
+  Object.defineProperty(window.top, 'SCUTTLER', {
+    value: (realm, scuttle) => {
+      window.top.SNOW((win) => {
+        log(msg, win);
+        scuttle(win);
+      }, realm);
+    },
   });
 })();
diff --git a/development/build/index.js b/development/build/index.js
index 33051f5a3..84ee91040 100755
--- a/development/build/index.js
+++ b/development/build/index.js
@@ -147,8 +147,11 @@ async function defineAndRunBuildTasks() {
 
     // build lavamoat runtime file
     await lavapack.buildRuntime({
-      scuttleGlobalThis: applyLavaMoat && shouldScuttle,
-      scuttleGlobalThisExceptions,
+      scuttleGlobalThis: {
+        enabled: applyLavaMoat && shouldScuttle,
+        scuttlerName: 'SCUTTLER',
+        exceptions: scuttleGlobalThisExceptions,
+      },
     });
   }
 
diff --git a/lavamoat/build-system/policy.json b/lavamoat/build-system/policy.json
index 9ee988092..98fd8942c 100644
--- a/lavamoat/build-system/policy.json
+++ b/lavamoat/build-system/policy.json
@@ -168,9 +168,13 @@
     },
     "@babel/eslint-parser": {
       "builtin": {
-        "path": true
+        "module": true,
+        "path": true,
+        "worker_threads": true
       },
       "globals": {
+        "__dirname": true,
+        "process.cwd": true,
         "process.versions": true
       },
       "packages": {
@@ -1045,17 +1049,18 @@
       "globals": {
         "__dirname": true,
         "__filename.slice": true,
+        "console.warn": true,
         "process.cwd": true,
         "setTimeout": true
       },
       "packages": {
         "@lavamoat/lavapack>combine-source-map": true,
-        "@lavamoat/lavapack>lavamoat-core": true,
+        "@lavamoat/lavapack>convert-source-map": true,
         "@lavamoat/lavapack>readable-stream": true,
         "@lavamoat/lavapack>umd": true,
         "browserify>JSONStream": true,
         "lavamoat>json-stable-stringify": true,
-        "nyc>convert-source-map": true,
+        "lavamoat>lavamoat-core": true,
         "through2": true
       }
     },
@@ -1082,26 +1087,12 @@
         "@lavamoat/lavapack>combine-source-map>inline-source-map>source-map": true
       }
     },
-    "@lavamoat/lavapack>lavamoat-core": {
-      "builtin": {
-        "events": true,
-        "fs.existsSync": true,
-        "fs.readFileSync": true,
-        "fs.writeFileSync": true,
-        "path.extname": true,
-        "path.join": true
-      },
+    "@lavamoat/lavapack>convert-source-map": {
       "globals": {
-        "__dirname": true,
-        "console.error": true,
-        "console.warn": true,
-        "define": true
-      },
-      "packages": {
-        "lavamoat>json-stable-stringify": true,
-        "lavamoat>lavamoat-core>merge-deep": true,
-        "lavamoat>lavamoat-tofu": true,
-        "nyc>process-on-spawn>fromentries": true
+        "Buffer": true,
+        "atob": true,
+        "btoa": true,
+        "value": true
       }
     },
     "@lavamoat/lavapack>readable-stream": {
@@ -2858,12 +2849,12 @@
         "eslint-plugin-react>estraverse": true,
         "eslint-plugin-react>jsx-ast-utils": true,
         "eslint-plugin-react>object.entries": true,
+        "eslint-plugin-react>object.fromentries": true,
         "eslint-plugin-react>object.hasown": true,
         "eslint-plugin-react>object.values": true,
         "eslint-plugin-react>resolve": true,
         "eslint-plugin-react>semver": true,
         "eslint>minimatch": true,
-        "lavamoat>object.fromentries": true,
         "prop-types": true,
         "string.prototype.matchall": true
       }
@@ -2923,6 +2914,13 @@
         "string.prototype.matchall>es-abstract": true
       }
     },
+    "eslint-plugin-react>object.fromentries": {
+      "packages": {
+        "globalthis>define-properties": true,
+        "string.prototype.matchall>call-bind": true,
+        "string.prototype.matchall>es-abstract": true
+      }
+    },
     "eslint-plugin-react>object.hasown": {
       "packages": {
         "string.prototype.matchall>es-abstract": true
@@ -2984,6 +2982,9 @@
         "util": true
       },
       "globals": {
+        "__filename": true,
+        "process.cwd": true,
+        "process.emitWarning": true,
         "process.platform": true
       },
       "packages": {
@@ -6141,8 +6142,8 @@
         "setTimeout": true
       },
       "packages": {
+        "@lavamoat/lavapack": true,
         "duplexify": true,
-        "lavamoat-browserify>@lavamoat/lavapack": true,
         "lavamoat-browserify>browser-resolve": true,
         "lavamoat-browserify>concat-stream": true,
         "lavamoat-browserify>readable-stream": true,
@@ -6152,37 +6153,6 @@
         "lavamoat>lavamoat-core": true
       }
     },
-    "lavamoat-browserify>@lavamoat/lavapack": {
-      "builtin": {
-        "assert": true,
-        "buffer.Buffer.from": true,
-        "fs.promises.readFile": true,
-        "fs.promises.writeFile": true,
-        "fs.readFileSync": true,
-        "path.join": true,
-        "path.relative": true
-      },
-      "globals": {
-        "__dirname": true,
-        "process.cwd": true,
-        "setTimeout": true
-      },
-      "packages": {
-        "@lavamoat/lavapack>combine-source-map": true,
-        "@lavamoat/lavapack>umd": true,
-        "browserify>JSONStream": true,
-        "lavamoat-browserify>@lavamoat/lavapack>through2": true,
-        "lavamoat-browserify>readable-stream": true,
-        "lavamoat>json-stable-stringify": true,
-        "lavamoat>lavamoat-core": true,
-        "nyc>convert-source-map": true
-      }
-    },
-    "lavamoat-browserify>@lavamoat/lavapack>through2": {
-      "packages": {
-        "lavamoat-browserify>readable-stream": true
-      }
-    },
     "lavamoat-browserify>browser-resolve": {
       "builtin": {
         "fs.readFile": true,
@@ -6319,8 +6289,7 @@
       "packages": {
         "lavamoat>json-stable-stringify": true,
         "lavamoat>lavamoat-core>merge-deep": true,
-        "lavamoat>lavamoat-tofu": true,
-        "nyc>process-on-spawn>fromentries": true
+        "lavamoat>lavamoat-tofu": true
       }
     },
     "lavamoat>lavamoat-core>merge-deep": {
@@ -6396,13 +6365,6 @@
         "depcheck>@babel/traverse": true
       }
     },
-    "lavamoat>object.fromentries": {
-      "packages": {
-        "globalthis>define-properties": true,
-        "string.prototype.matchall>call-bind": true,
-        "string.prototype.matchall>es-abstract": true
-      }
-    },
     "lodash": {
       "globals": {
         "define": true
@@ -8623,6 +8585,12 @@
         "jsdom>request>is-typedarray": true
       }
     },
+    "superstruct": {
+      "globals": {
+        "console.warn": true,
+        "define": true
+      }
+    },
     "terser": {
       "globals": {
         "Buffer": true,
@@ -8981,6 +8949,7 @@
       },
       "globals": {
         "Error": true,
+        "__dirname": true,
         "console": true,
         "process": true
       },
@@ -8995,6 +8964,9 @@
       }
     },
     "yargs>cliui": {
+      "globals": {
+        "process": true
+      },
       "packages": {
         "eslint>strip-ansi": true,
         "yargs>cliui>wrap-ansi": true,
diff --git a/package.json b/package.json
index 021cad8ac..eb17e8b69 100644
--- a/package.json
+++ b/package.json
@@ -371,7 +371,7 @@
     "@babel/register": "^7.5.5",
     "@ethersproject/bignumber": "^5.7.0",
     "@lavamoat/allow-scripts": "^2.0.3",
-    "@lavamoat/lavapack": "^5.0.0",
+    "@lavamoat/lavapack": "^5.2.0",
     "@metamask/auto-changelog": "^2.1.0",
     "@metamask/eslint-config": "^9.0.0",
     "@metamask/eslint-config-jest": "^9.0.0",
@@ -494,8 +494,8 @@
     "jsdom": "^11.2.0",
     "junit-report-merger": "^4.0.0",
     "koa": "^2.7.0",
-    "lavamoat": "^6.3.0",
-    "lavamoat-browserify": "^15.5.0",
+    "lavamoat": "^7.1.0",
+    "lavamoat-browserify": "^15.7.0",
     "lavamoat-viz": "^6.0.9",
     "lockfile-lint": "^4.9.6",
     "loose-envify": "^1.4.0",
diff --git a/yarn.lock b/yarn.lock
index 927c8c3d1..10aeefc01 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -80,7 +80,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.10.4, @babel/code-frame@npm:^7.12.13, @babel/code-frame@npm:^7.16.7, @babel/code-frame@npm:^7.18.6, @babel/code-frame@npm:^7.21.4":
+"@babel/code-frame@npm:^7.0.0, @babel/code-frame@npm:^7.12.13, @babel/code-frame@npm:^7.16.7, @babel/code-frame@npm:^7.18.6, @babel/code-frame@npm:^7.21.4":
   version: 7.21.4
   resolution: "@babel/code-frame@npm:7.21.4"
   dependencies:
@@ -445,7 +445,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/highlight@npm:^7.10.4, @babel/highlight@npm:^7.18.6":
+"@babel/highlight@npm:^7.18.6":
   version: 7.18.6
   resolution: "@babel/highlight@npm:7.18.6"
   dependencies:
@@ -3532,35 +3532,19 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@lavamoat/lavapack@npm:^3.3.0":
-  version: 3.3.0
-  resolution: "@lavamoat/lavapack@npm:3.3.0"
+"@lavamoat/lavapack@npm:^5.2.0":
+  version: 5.2.0
+  resolution: "@lavamoat/lavapack@npm:5.2.0"
   dependencies:
     JSONStream: ^1.3.5
     combine-source-map: ^0.8.0
-    convert-source-map: ^1.7.0
-    json-stable-stringify: ^1.0.1
-    lavamoat-core: ^12.4.0
+    convert-source-map: ^2.0.0
+    json-stable-stringify: ^1.0.2
+    lavamoat-core: ^14.2.0
     readable-stream: ^3.6.0
     through2: ^4.0.2
     umd: ^3.0.3
-  checksum: 77f6588d38d53f0feba1856de409829969dc3592b9b4d1e722fd395a1eabae6a8983648e2929ef9243fd6ead6919683cb87e65433325601bafabcf8b46dc83be
-  languageName: node
-  linkType: hard
-
-"@lavamoat/lavapack@npm:^5.0.0":
-  version: 5.0.0
-  resolution: "@lavamoat/lavapack@npm:5.0.0"
-  dependencies:
-    JSONStream: ^1.3.5
-    combine-source-map: ^0.8.0
-    convert-source-map: ^1.7.0
-    json-stable-stringify: ^1.0.1
-    lavamoat-core: ^14.0.0
-    readable-stream: ^3.6.0
-    through2: ^4.0.2
-    umd: ^3.0.3
-  checksum: 93b60ced99a23a87f83bf354f6996029757ea76d6b92e8b4b874ef50224515feda47dadd62cdda88c53e703111ddf36a8ef8f19c682e85ad4218f709a4081dbd
+  checksum: c98bcc310de38b4ad2ce2aeafb69ba293a1083f6683a9f120aef2e187501620f5241361da2966fa07bcb57d004037b0ccf556325364f44c1c021c949fb87e45d
   languageName: node
   linkType: hard
 
@@ -12858,6 +12842,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"convert-source-map@npm:^1.9.0":
+  version: 1.9.0
+  resolution: "convert-source-map@npm:1.9.0"
+  checksum: dc55a1f28ddd0e9485ef13565f8f756b342f9a46c4ae18b843fe3c30c675d058d6a4823eff86d472f187b176f0adf51ea7b69ea38be34be4a63cbbf91b0593c8
+  languageName: node
+  linkType: hard
+
 "convert-source-map@npm:^2.0.0":
   version: 2.0.0
   resolution: "convert-source-map@npm:2.0.0"
@@ -22988,24 +22979,23 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lavamoat-browserify@npm:^15.5.0":
-  version: 15.5.0
-  resolution: "lavamoat-browserify@npm:15.5.0"
+"lavamoat-browserify@npm:^15.7.0":
+  version: 15.7.0
+  resolution: "lavamoat-browserify@npm:15.7.0"
   dependencies:
-    "@babel/code-frame": ^7.16.7
     "@lavamoat/aa": ^3.1.0
-    "@lavamoat/lavapack": ^3.3.0
+    "@lavamoat/lavapack": ^5.2.0
     browser-resolve: ^2.0.0
     concat-stream: ^2.0.0
-    convert-source-map: ^1.8.0
+    convert-source-map: ^1.9.0
     duplexify: ^4.1.1
     json-stable-stringify: ^1.0.1
-    lavamoat-core: ^12.4.0
+    lavamoat-core: ^14.2.0
     pify: ^4.0.1
     readable-stream: ^3.6.0
-    source-map: ^0.7.3
+    source-map: ^0.7.4
     through2: ^3.0.0
-  checksum: b9d4ccbe6dd09aa63145f89f99f0b3ac269930a5e419cc836659f8c6a7e26b78d2dd3722e44055e6436d2334b044c348895f512d134ee8b5dc4ee87adc890b6f
+  checksum: 7832820c688439c699d4b99ef6860ff4cab67003e20fad4194e847873bfe3f2d3a4caea3229e61bd0e9e35ca384e2aa5f39ce1370a43b1bdd9c9bca8c226d080
   languageName: node
   linkType: hard
 
@@ -23022,27 +23012,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lavamoat-core@npm:^12.3.0, lavamoat-core@npm:^12.4.0":
-  version: 12.4.0
-  resolution: "lavamoat-core@npm:12.4.0"
+"lavamoat-core@npm:^14.2.0":
+  version: 14.2.0
+  resolution: "lavamoat-core@npm:14.2.0"
   dependencies:
-    fromentries: ^1.2.0
-    json-stable-stringify: ^1.0.1
+    json-stable-stringify: ^1.0.2
     lavamoat-tofu: ^6.0.2
-    merge-deep: ^3.0.2
-  checksum: 432a8968035370feb51e50f35306e7f85015e3b56440dbd41b6d3eec7f4bc82c3d1f16c6a627549df2665499c49bcb6e55fa697bccc6839bac1de12804019c1d
-  languageName: node
-  linkType: hard
-
-"lavamoat-core@npm:^14.0.0":
-  version: 14.0.0
-  resolution: "lavamoat-core@npm:14.0.0"
-  dependencies:
-    fromentries: ^1.2.0
-    json-stable-stringify: ^1.0.1
-    lavamoat-tofu: ^6.0.2
-    merge-deep: ^3.0.2
-  checksum: 16c2402aceba339ab25b830d476e95078edc1c978ef2623497ecb07f6b5eb8241541f67755a06cf3562680c1834b69d7e86ca421848b670378ad4fb0d62923ad
+    merge-deep: ^3.0.3
+  checksum: 2f254c85a466561393a9ad0b8bcd8ff93b7b195d2f820f89be452348559f3fa689260887dcf4af3d605bc7ddb8fef2637ca7d5bfe1b7f565050aca172b9733d6
   languageName: node
   linkType: hard
 
@@ -23072,26 +23049,25 @@ __metadata:
   languageName: node
   linkType: hard
 
-"lavamoat@npm:^6.3.0":
-  version: 6.4.0
-  resolution: "lavamoat@npm:6.4.0"
+"lavamoat@npm:^7.1.0":
+  version: 7.1.0
+  resolution: "lavamoat@npm:7.1.0"
   dependencies:
-    "@babel/code-frame": ^7.10.4
-    "@babel/highlight": ^7.10.4
+    "@babel/code-frame": ^7.21.4
+    "@babel/highlight": ^7.18.6
     "@lavamoat/aa": ^3.1.0
     bindings: ^1.5.0
     htmlescape: ^1.1.1
-    json-stable-stringify: ^1.0.1
-    lavamoat-core: ^12.3.0
+    json-stable-stringify: ^1.0.2
+    lavamoat-core: ^14.2.0
     lavamoat-tofu: ^6.0.2
-    node-gyp-build: ^4.2.3
-    object.fromentries: ^2.0.2
-    resolve: ^1.17.0
-    yargs: ^16.0.0
+    node-gyp-build: ^4.6.0
+    resolve: ^1.22.3
+    yargs: ^17.7.2
   bin:
     lavamoat: src/cli.js
     lavamoat-run-command: src/run-command.js
-  checksum: 5a058b0b62fa4d6baa477775dc03433c0064e7ab0f14f4a540aa033154c3484cd9b59ec66e2968e387087c24531b09cbd6a70a3a11f4b52e3b4519cd3672c54c
+  checksum: 57414b6d434eaf07ad2875ebb5a79453da7d9c377ed19e604a73f66772bf61a40abfb747bc7e0bc5a4808b0debf3a228dc9069eb87dc772b4d615b11d4e91d34
   languageName: node
   linkType: hard
 
@@ -24309,7 +24285,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"merge-deep@npm:^3.0.2":
+"merge-deep@npm:^3.0.2, merge-deep@npm:^3.0.3":
   version: 3.0.3
   resolution: "merge-deep@npm:3.0.3"
   dependencies:
@@ -24411,7 +24387,7 @@ __metadata:
     "@keystonehq/bc-ur-registry-eth": ^0.19.1
     "@keystonehq/metamask-airgapped-keyring": ^0.13.1
     "@lavamoat/allow-scripts": ^2.0.3
-    "@lavamoat/lavapack": ^5.0.0
+    "@lavamoat/lavapack": ^5.2.0
     "@lavamoat/snow": ^1.5.0
     "@material-ui/core": ^4.11.0
     "@metamask-institutional/custody-controller": 0.2.6
@@ -24638,8 +24614,8 @@ __metadata:
     junit-report-merger: ^4.0.0
     koa: ^2.7.0
     labeled-stream-splicer: ^2.0.2
-    lavamoat: ^6.3.0
-    lavamoat-browserify: ^15.5.0
+    lavamoat: ^7.1.0
+    lavamoat-browserify: ^15.7.0
     lavamoat-viz: ^6.0.9
     localforage: ^1.9.0
     lockfile-lint: ^4.9.6
@@ -26111,14 +26087,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"node-gyp-build@npm:^4.2.0, node-gyp-build@npm:^4.2.2, node-gyp-build@npm:^4.2.3, node-gyp-build@npm:^4.3.0":
-  version: 4.5.0
-  resolution: "node-gyp-build@npm:4.5.0"
+"node-gyp-build@npm:^4.2.0, node-gyp-build@npm:^4.2.2, node-gyp-build@npm:^4.3.0, node-gyp-build@npm:^4.6.0":
+  version: 4.6.0
+  resolution: "node-gyp-build@npm:4.6.0"
   bin:
     node-gyp-build: bin.js
     node-gyp-build-optional: optional.js
     node-gyp-build-test: build-test.js
-  checksum: d888bae0fb88335f69af1b57a2294a931c5042f36e413d8d364c992c9ebfa0b96ffe773179a5a2c8f04b73856e8634e09cce108dbb9804396d3cc8c5455ff2db
+  checksum: 25d78c5ef1f8c24291f4a370c47ba52fcea14f39272041a90a7894cd50d766f7c8cb8fb06c0f42bf6f69b204b49d9be3c8fc344aac09714d5bdb95965499eb15
   languageName: node
   linkType: hard
 
@@ -26631,7 +26607,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"object.fromentries@npm:^2.0.2, object.fromentries@npm:^2.0.5":
+"object.fromentries@npm:^2.0.5":
   version: 2.0.6
   resolution: "object.fromentries@npm:2.0.6"
   dependencies:
@@ -35874,7 +35850,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yargs@npm:17.7.1, yargs@npm:^17.0.1, yargs@npm:^17.3.1":
+"yargs@npm:17.7.1":
   version: 17.7.1
   resolution: "yargs@npm:17.7.1"
   dependencies:
@@ -35908,6 +35884,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"yargs@npm:^17.0.1, yargs@npm:^17.3.1, yargs@npm:^17.7.2":
+  version: 17.7.2
+  resolution: "yargs@npm:17.7.2"
+  dependencies:
+    cliui: ^8.0.1
+    escalade: ^3.1.1
+    get-caller-file: ^2.0.5
+    require-directory: ^2.1.1
+    string-width: ^4.2.3
+    y18n: ^5.0.5
+    yargs-parser: ^21.1.1
+  checksum: 73b572e863aa4a8cbef323dd911d79d193b772defd5a51aab0aca2d446655216f5002c42c5306033968193bdbf892a7a4c110b0d77954a7fdf563e653967b56a
+  languageName: node
+  linkType: hard
+
 "yargs@npm:^4.7.1":
   version: 4.8.1
   resolution: "yargs@npm:4.8.1"