diff --git a/go.mod b/go.mod
index 898edac..65854e6 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,7 @@ go 1.22.5
 
 require (
 	github.com/gen2brain/jpegli v0.2.3
+	github.com/strukturag/libheif v1.18.2
 	golang.org/x/image v0.21.0
 )
 
diff --git a/go.sum b/go.sum
index bd4a5e7..6c3f562 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
 github.com/gen2brain/jpegli v0.2.3 h1:Mhg93/qMG2+3tSGAnBNobxvTOFs/S9kF03pwlIt9JPg=
 github.com/gen2brain/jpegli v0.2.3/go.mod h1:AEsiYsYQ6DQ/rBbr7Fz+8Wo5mTnlWKdHMVsJF64Ya6o=
+github.com/strukturag/libheif v1.18.2 h1:CrlRS7Kwl2odl4DYM/m6ay/HPXEcmQPK1xF8FxAqP7k=
+github.com/strukturag/libheif v1.18.2/go.mod h1:E/PNRlmVtrtj9j2AvBZlrO4dsBDu6KfwDZn7X1Ce8Ks=
 github.com/tetratelabs/wazero v1.7.3 h1:PBH5KVahrt3S2AHgEjKu4u+LlDbbk+nsGE3KLucy6Rw=
 github.com/tetratelabs/wazero v1.7.3/go.mod h1:ytl6Zuh20R/eROuyDaGPkp82O9C/DJfXAwJfQ3X6/7Y=
 golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s=
diff --git a/main.go b/main.go
index 712b672..369bb95 100644
--- a/main.go
+++ b/main.go
@@ -10,6 +10,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	_ "github.com/strukturag/libheif/go/heif"
 	"golang.org/x/image/draw"
 	_ "golang.org/x/image/webp"
 
@@ -17,15 +18,15 @@ import (
 )
 
 const (
-	defaultMaxWidth  = 2048
-	defaultMaxHeight = 1920
+	defaultMaxWidth    = 2048
+	defaultMaxHeight   = 1920
 	compressionQuality = 75
-	ext              = ".jpg"
+	ext                = ".jpg"
 )
 
 func main() {
 	if len(os.Args) < 2 {
-		fmt.Printf("Usage: %s <image.jpg> [<image.png> <image.webp>…]\n", path.Base(os.Args[0]))
+		fmt.Printf("Usage: %s <image.jpg> [<image.png> <image.webp> <image.heic>…]\n", path.Base(os.Args[0]))
 		os.Exit(1)
 	}