diff --git a/javascript/just.config.cjs b/javascript/just.config.cjs
index db3cd3891a..bd06c16041 100644
--- a/javascript/just.config.cjs
+++ b/javascript/just.config.cjs
@@ -59,7 +59,7 @@ task('prepack-package-json', async () => {
   const packageJson = JSON.parse(packageJsonContents.toString('utf-8'));
 
   recursiveReplace(packageJson, /(.\/src\/.*)\.ts/, '$1.js');
-  packageJson.typings = packageJson.main.replace(/(.\/src\/.*)\.js/, '$1.d.ts');
+  packageJson.types = packageJson.main.replace(/(.\/src\/.*)\.js/, '$1.d.ts');
   await writeFile(packageJsonPath, JSON.stringify(packageJson, null, 2));
 });