diff --git a/Package.swift b/Package.swift
index 740c72f..505f706 100644
--- a/Package.swift
+++ b/Package.swift
@@ -4,7 +4,7 @@ import PackageDescription
 extension SwiftSetting {
   static let profile: SwiftSetting = .unsafeFlags([
     "-Xfrontend",
-    "-warn-long-expression-type-checking=6",
+    "-warn-long-expression-type-checking=10",
   ])
 }