diff --git a/go.mod b/go.mod
index d74339b91..a1633a4df 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,8 @@ module github.com/hajimehoshi/ebiten/v2
 go 1.18
 
 require (
-	github.com/ebitengine/oto/v3 v3.1.0-rc.1.0.20230922145334-13a3d7320fbb
-	github.com/ebitengine/purego v0.5.0-rc.1.0.20230922144632-202a0cad5c2e
+	github.com/ebitengine/oto/v3 v3.1.0-rc.2
+	github.com/ebitengine/purego v0.5.0-rc.2
 	github.com/go-text/typesetting v0.0.0-20230905121921-abdbcca6e0eb
 	github.com/hajimehoshi/bitmapfont/v3 v3.0.0
 	github.com/hajimehoshi/go-mp3 v0.3.4
diff --git a/go.sum b/go.sum
index b65d0e16f..e3923bd1a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
-github.com/ebitengine/oto/v3 v3.1.0-rc.1.0.20230922145334-13a3d7320fbb h1:VyTd8nKSAd0FxeepFx/HWQmZiq33YbujlI5AgtVAjGw=
-github.com/ebitengine/oto/v3 v3.1.0-rc.1.0.20230922145334-13a3d7320fbb/go.mod h1:9hov8W9FpFoYIL3nNUyDSZpzfPSscQbna+WKmh7PbwQ=
-github.com/ebitengine/purego v0.5.0-rc.1.0.20230922144632-202a0cad5c2e h1:iiDb4RGKb5DtpjtSnCJV4Pgtu0nLRLXYiDc35UPmtUo=
-github.com/ebitengine/purego v0.5.0-rc.1.0.20230922144632-202a0cad5c2e/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
+github.com/ebitengine/oto/v3 v3.1.0-rc.2 h1:k7INwwydj5vj8CIntUGcwjMwbDCADXRWCjgTiSLXink=
+github.com/ebitengine/oto/v3 v3.1.0-rc.2/go.mod h1:83QMKylcDC3rIAWhX7iMue246WYtF9fAaVp8009zfHc=
+github.com/ebitengine/purego v0.5.0-rc.2 h1:pODNEAUvGZpUQgzX2YFetX6xYsa8MZgVVpqS1HIG3u0=
+github.com/ebitengine/purego v0.5.0-rc.2/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 github.com/go-text/typesetting v0.0.0-20230905121921-abdbcca6e0eb h1:4GpJirtA8yY24aqbU3uppiXGYiVpWfLIrqc2NNKKk9s=
 github.com/go-text/typesetting v0.0.0-20230905121921-abdbcca6e0eb/go.mod h1:evDBbvNR/KaVFZ2ZlDSOWWXIUKq0wCOEtzLxRM8SG3k=
 github.com/go-text/typesetting-utils v0.0.0-20230616150549-2a7df14b6a22 h1:LBQTFxP2MfsyEDqSKmUBZaDuDHN1vpqDyOZjcqS7MYI=