diff --git a/go.mod b/go.mod
index ca6786a4d..aa23a1768 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/hajimehoshi/bitmapfont v1.2.0
 	github.com/hajimehoshi/file2byteslice v0.0.0-20200812174855-0e5e8a80490e
 	github.com/hajimehoshi/go-mp3 v0.3.1-0.20200816104415-cc618d12977d
-	github.com/hajimehoshi/oto v0.6.3
+	github.com/hajimehoshi/oto v0.6.4-0.20200816184344-d50fea5bc4cc
 	github.com/jakecoffman/cp v1.0.0
 	github.com/jfreymuth/oggvorbis v1.0.1
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
diff --git a/go.sum b/go.sum
index 4c45cd052..6d98287df 100644
--- a/go.sum
+++ b/go.sum
@@ -13,8 +13,8 @@ github.com/hajimehoshi/go-mp3 v0.3.1-0.20200816104415-cc618d12977d h1:8iitM0AzKp
 github.com/hajimehoshi/go-mp3 v0.3.1-0.20200816104415-cc618d12977d/go.mod h1:qMJj/CSDxx6CGHiZeCgbiq2DSUkbK0UbtXShQcnfyMM=
 github.com/hajimehoshi/oto v0.6.1 h1:7cJz/zRQV4aJvMSSRqzN2TImoVVMpE0BCY4nrNJaDOM=
 github.com/hajimehoshi/oto v0.6.1/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI=
-github.com/hajimehoshi/oto v0.6.3 h1:NfrHdINv+7J8JhfkbHBROlWCzFSWc9PaHm2lS90KNzY=
-github.com/hajimehoshi/oto v0.6.3/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI=
+github.com/hajimehoshi/oto v0.6.4-0.20200816184344-d50fea5bc4cc h1:+/m/eYY8+R1ZnaRX34W2pbce1pT1wNEh9prwxWvOLF4=
+github.com/hajimehoshi/oto v0.6.4-0.20200816184344-d50fea5bc4cc/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI=
 github.com/jakecoffman/cp v1.0.0 h1:4qi6RDQxnEgH2aonA5Wa67VYy9onrlzsIg0Uk7tlf0o=
 github.com/jakecoffman/cp v1.0.0/go.mod h1:JjY/Fp6d8E1CHnu74gWNnU0+b9VzEdUVPoJxg2PsTQg=
 github.com/jfreymuth/oggvorbis v1.0.1 h1:NT0eXBgE2WHzu6RT/6zcb2H10Kxj6Fm3PccT0LE6bqw=