diff --git a/package-lock.json b/package-lock.json
index 3354f14..5b6f840 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
 				"smp-noto-glyphs": "^1.0.0-pre.0",
 				"start-stop-state-machine": "^2.0.0",
 				"styled-map-package-api": "^5.0.0-pre.4",
-				"typebox": "^1.0.61",
+				"typebox": "~1.3.0",
 				"typed-event-target": "^3.4.0"
 			},
 			"devDependencies": {
@@ -6182,9 +6182,9 @@
 			}
 		},
 		"node_modules/typebox": {
-			"version": "1.0.61",
-			"resolved": "https://registry.npmjs.org/typebox/-/typebox-1.0.61.tgz",
-			"integrity": "sha512-5KeeL5QoPBoYm8Z7tGR1Pw9FjWA75MLhVuiSMCRgtgTg/d2+kTvolFddhOUua9FxpIaqXznFPZcc3sl6cEpafw==",
+			"version": "1.3.6",
+			"resolved": "https://registry.npmjs.org/typebox/-/typebox-1.3.6.tgz",
+			"integrity": "sha512-Sc8RA0NCMEFmApHNU9ZMzqcpQj46She44J8ffpLM/bdhLNUZKq7DJumcLcsFx1gRmDfQPgCgOmFFJ7rcnfWNyA==",
 			"license": "MIT"
 		},
 		"node_modules/typed-event-target": {
@@ -6774,13 +6774,6 @@
 			"funding": {
 				"url": "https://github.com/sponsors/sindresorhus"
 			}
-		},
-		"stubs/empty-fetch": {
-			"extraneous": true
-		},
-		"stubs/empty-fetch-stub": {
-			"version": "1.0.0",
-			"extraneous": true
 		}
 	}
 }
diff --git a/package.json b/package.json
index 79a42ee..e4180b8 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
 		"smp-noto-glyphs": "^1.0.0-pre.0",
 		"start-stop-state-machine": "^2.0.0",
 		"styled-map-package-api": "^5.0.0-pre.4",
-		"typebox": "^1.0.61",
+		"typebox": "~1.3.0",
 		"typed-event-target": "^3.4.0"
 	},
 	"bundleDependencies": [
diff --git a/src/types.ts b/src/types.ts
index 020670b..4e3afd6 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -93,7 +93,7 @@ const MapInfo = T.Object({
 	mapId: T.String({ description: 'The ID of the map' }),
 	mapName: T.String({ description: 'The name of the map' }),
 	estimatedSizeBytes: EstimatedSizeBytes,
-	bounds: T.ReadonlyType(
+	bounds: T.ReadonlyObject(
 		T.Tuple([T.Number(), T.Number(), T.Number(), T.Number()], {
 			description: 'The bounding box of the map data',
 		}),