diff --git a/go.mod b/go.mod
index b426b24..5486535 100644
--- a/go.mod
+++ b/go.mod
@@ -1,7 +1,7 @@
 module github.com/EugeneP-Zello/go-wca
 
-go 1.16
+go 1.18
 
 require github.com/go-ole/go-ole v1.2.6
 
-replace github.com/moutend/go-wca => github.com/EugeneP-Zello/go-wca develop
+require golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 // indirect
diff --git a/go.sum b/go.sum
index 6b138a4..a452934 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,3 @@
-github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
-github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3 h1:7TYNF4UdlohbFwpNH04CoPMp1cHUZgO1Ebq5r2hIjfo=