diff --git a/src/github.com/mattn/go-sqlite3/upgrade/package.go b/src/github.com/mattn/go-sqlite3/upgrade/package.go
new file mode 100644
index 0000000..895bc73
--- /dev/null
+++ b/src/github.com/mattn/go-sqlite3/upgrade/package.go
@@ -0,0 +1,5 @@
+// Package upgrade is a dummy package to ensure package can be loaded
+//
+// This file is to avoid the following error:
+// can't load package: package go-sqlite3/upgrade: build constraints exclude all Go files in go-sqlite3\upgrade
+package upgrade