diff --git a/build/package.ts b/build/package.ts
index b28f3d7..4ee8b12 100644
--- a/build/package.ts
+++ b/build/package.ts
@@ -106,7 +106,7 @@ async function main() {
             `file:${path.relative(
               path.dirname(packageJsonPath),
               path.join(packageDir, packageName),
-            )}`,
+            ).replace(/\\/g, "/")}`,
           ]),
         ),
       },