diff --git a/go.mod b/go.mod
index 744e0a3..7e64058 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/hajimehoshi/oto/v2
 go 1.18
 
 require (
-	github.com/ebitengine/purego v0.4.0-rc.1
+	github.com/ebitengine/purego v0.4.0
 	golang.org/x/sys v0.7.0
 )
 
diff --git a/go.sum b/go.sum
index 1415027..2b64216 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-github.com/ebitengine/purego v0.4.0-rc.1 h1:cVjVSYYnI1yCvY6YOspa07SUbYMKdtEKAJfQoPZ6ED8=
-github.com/ebitengine/purego v0.4.0-rc.1/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
+github.com/ebitengine/purego v0.4.0 h1:RQVuMIxQPQ5iCGEJvjQ17YOK+1tMKjVau2FUMvXH4HE=
+github.com/ebitengine/purego v0.4.0/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 golang.org/x/sys v0.7.0 h1:3jlCCIQZPdOYu1h8BkNvLz8Kgwtae2cagcG/VamtZRU=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=