diff --git a/go.mod b/go.mod
index a67314413..c70685739 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,11 @@ module github.com/hajimehoshi/ebiten/v2
 go 1.18
 
 require (
-	github.com/ebitengine/purego v0.2.0-alpha.0.20220915044048-aa1b0f680473
+	github.com/ebitengine/purego v0.2.0-alpha.0.20221019153918-7128aea44c77
 	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b
 	github.com/hajimehoshi/bitmapfont/v2 v2.2.2
 	github.com/hajimehoshi/go-mp3 v0.3.3
-	github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4
+	github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4.0.20221029160948-5869492c2dde
 	github.com/jakecoffman/cp v1.2.1
 	github.com/jezek/xgb v1.0.1
 	github.com/jfreymuth/oggvorbis v1.0.4
diff --git a/go.sum b/go.sum
index f610141ee..7ee8073e6 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,6 @@
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/ebitengine/purego v0.0.0-20220907032450-cf3e27c364c7/go.mod h1:Eh8I3yvknDYZeCuXH9kRNaPuHEwvXDCk378o9xszmHg=
-github.com/ebitengine/purego v0.2.0-alpha.0.20220915044048-aa1b0f680473 h1:gvI3mxzjexvkakZNJkYRZOIWRQTGa8ucsQtQ/tN2VJk=
-github.com/ebitengine/purego v0.2.0-alpha.0.20220915044048-aa1b0f680473/go.mod h1:8K86Hsai2ghNjg9h/9P9tDdLAhUNwqNg10OESLDOam8=
+github.com/ebitengine/purego v0.2.0-alpha.0.20221019153918-7128aea44c77 h1:EtWqfTv9g2m5Q8YF2hZVlwvBnA1V5ndO9pmwgrA3FNg=
+github.com/ebitengine/purego v0.2.0-alpha.0.20221019153918-7128aea44c77/go.mod h1:8K86Hsai2ghNjg9h/9P9tDdLAhUNwqNg10OESLDOam8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b h1:GgabKamyOYguHqHjSkDACcgoPIz3w0Dis/zJ1wyHHHU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/hajimehoshi/bitmapfont/v2 v2.2.2 h1:4z08Fk1m3pjtlO7BdoP48u5bp/Y8xmKshf44aCXgYpE=
@@ -9,8 +8,8 @@ github.com/hajimehoshi/bitmapfont/v2 v2.2.2/go.mod h1:Ua/x9Dkz7M9CU4zr1VHWOqGwjK
 github.com/hajimehoshi/go-mp3 v0.3.3 h1:cWnfRdpye2m9ElSoVqneYRcpt/l3ijttgjMeQh+r+FE=
 github.com/hajimehoshi/go-mp3 v0.3.3/go.mod h1:qMJj/CSDxx6CGHiZeCgbiq2DSUkbK0UbtXShQcnfyMM=
 github.com/hajimehoshi/oto v0.6.1/go.mod h1:0QXGEkbuJRohbJaxr7ZQSxnju7hEhseiPx2hrh6raOI=
-github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4 h1:m29xzbn3Pv5MgvgjMPs7m28uhUgVt3B3AIGjQLgkqUI=
-github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4/go.mod h1:OdGUICBjy7upAjvqqacbB63XIuYR3fqXZ7kYtlVYJgQ=
+github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4.0.20221029160948-5869492c2dde h1:sw3B5dASNEIQS1y5zaBPjMAiwssx1O90hV4ITUufCH4=
+github.com/hajimehoshi/oto/v2 v2.4.0-alpha.4.0.20221029160948-5869492c2dde/go.mod h1:DNedh21P2X+UKhhBOyHclLlT4QJggA3j+Qtu05P0Jak=
 github.com/jakecoffman/cp v1.2.1 h1:zkhc2Gpo9l4NLUZfeG3j33+3bQD7MkqPa+n5PdX+5mI=
 github.com/jakecoffman/cp v1.2.1/go.mod h1:JjY/Fp6d8E1CHnu74gWNnU0+b9VzEdUVPoJxg2PsTQg=
 github.com/jezek/xgb v1.0.1 h1:YUGhxps0aR7J2Xplbs23OHnV1mWaxFVcOl9b+1RQkt8=
@@ -53,7 +52,6 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210616045830-e2b7044e8c71/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
 golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=