diff --git a/scripts/build/validate-pack-artifact.ts b/scripts/build/validate-pack-artifact.ts
index 95a97c55db..bd92a48ecd 100644
--- a/scripts/build/validate-pack-artifact.ts
+++ b/scripts/build/validate-pack-artifact.ts
@@ -25,6 +25,7 @@ function runNpm(args: string[], stdio: "inherit" | "pipe" = "pipe"): string {
     cwd: ROOT,
     encoding: "utf8",
     stdio: stdio === "inherit" ? "inherit" : ["ignore", "pipe", "pipe"],
+    maxBuffer: 64 * 1024 * 1024,
   });
 }