diff --git a/pipeline/05_bundle_gen/convert.go b/pipeline/05_bundle_gen/convert.go
index 4f029de..f08f5c1 100644
--- a/pipeline/05_bundle_gen/convert.go
+++ b/pipeline/05_bundle_gen/convert.go
@@ -10,6 +10,7 @@ import (
 	_ "image/jpeg"
 
 	_ "github.com/biessek/golang-ico"
+	_ "golang.org/x/image/bmp"
 	_ "golang.org/x/image/webp"
 )