diff --git a/go.mod b/go.mod
index 05deed7..1270f66 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.12
 require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/hajimehoshi/ebiten v1.11.0-alpha.2.0.20200101150127-38815ba801a5
-	golang.org/x/exp v0.0.0-20200228211341-fcea875c7e85 // indirect
+	golang.org/x/exp v0.0.0-20200319221330-857350248e3d // indirect
 	golang.org/x/image v0.0.0-20200119044424-58c23975cae1 // indirect
 	golang.org/x/mobile v0.0.0-20200222142934-3c8601c510d0 // indirect
 	golang.org/x/sys v0.0.0-20200317113312-5766fd39f98d // indirect
diff --git a/go.sum b/go.sum
index c0caee4..839f17f 100644
--- a/go.sum
+++ b/go.sum
@@ -36,6 +36,8 @@ golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 h1:estk1glOnSVeJ9tdEZZc5mAMD
 golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56/go.mod h1:JhuoJpWY28nO4Vef9tZUw9qufEGTyX1+7lmHxV5q5G4=
 golang.org/x/exp v0.0.0-20200228211341-fcea875c7e85 h1:jqhIzSw5SQNkbu5hOGpgMHhkfXxrbsLJdkIRcX19gCY=
 golang.org/x/exp v0.0.0-20200228211341-fcea875c7e85/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
+golang.org/x/exp v0.0.0-20200319221330-857350248e3d h1:1kJNg12kVM6Xid7xoFkhq/YJVU4NMTv5b3hJCfQnwjc=
+golang.org/x/exp v0.0.0-20200319221330-857350248e3d/go.mod h1:4M0jN8W1tt0AVLNr8HDosyJCDCDuyL9N9+3m7wDWgKw=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190703141733-d6a02ce849c9/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=