diff --git a/go.mod b/go.mod
index 2eb5397..5dd3513 100644
--- a/go.mod
+++ b/go.mod
@@ -1,11 +1,11 @@
 module github.com/wabarc/telegra.ph
 
-go 1.18
+go 1.21
 
 require (
 	github.com/PuerkitoBio/goquery v1.8.1
 	github.com/cenkalti/backoff/v4 v4.2.0
-	github.com/gabriel-vasile/mimetype v1.4.2
+	github.com/gabriel-vasile/mimetype v1.4.15
 	github.com/go-shiori/go-readability v0.0.0-20220215145315-dd6828d2f09b
 	github.com/go-shiori/obelisk v0.0.0-20221119111008-23c015a8fad7
 	github.com/kallydev/telegraph-go v1.0.1-0.20230318133700-df034d9eed50
diff --git a/go.sum b/go.sum
index 2e2541f..069a8f8 100644
--- a/go.sum
+++ b/go.sum
@@ -43,6 +43,8 @@ github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHqu
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
 github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
+github.com/gabriel-vasile/mimetype v1.4.15 h1:05iP/CYtZ/w455R/KZM6rZ5ieAdh99UPtd+d3YzLmaI=
+github.com/gabriel-vasile/mimetype v1.4.15/go.mod h1:azpTcoLcDZRNgFou5j+APrqQx9HqVPWa6ijYQIIVswQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=