diff --git a/bin/tools/parquetSql.js b/bin/tools/parquetSql.js
index ddf3b76..6db4c8f 100644
--- a/bin/tools/parquetSql.js
+++ b/bin/tools/parquetSql.js
@@ -1,7 +1,7 @@
 import { asyncBufferFromFile, asyncBufferFromUrl, parquetMetadataAsync } from 'hyparquet'
 import { compressors } from 'hyparquet-compressors'
 import { collect, executeSql } from 'squirreling'
-import { parquetDataSource } from '../../src/index.js'
+import { parquetDataSource } from 'hyperparam'
 import { markdownTable } from './markdownTable.js'
 
 const maxRows = 100
diff --git a/package.json b/package.json
index adb79ad..8e2f168 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,8 @@
     "preserve": "npm run build",
     "storybook": "storybook dev -p 6006",
     "test": "vitest run",
-    "typecheck": "tsc --noEmit",
+    "typecheck": "run-s build:types typecheck-once-built",
+    "typecheck-once-built": "tsc --noEmit",
     "url": "run-p -l watch:ts watch:cli watch:url",
     "preurl": "npm run build",
     "watch:cli": "vite build --watch",