diff --git a/apps/labrinth/src/util/ext.rs b/apps/labrinth/src/util/ext.rs
index b5425682..1859dd3a 100644
--- a/apps/labrinth/src/util/ext.rs
+++ b/apps/labrinth/src/util/ext.rs
@@ -27,6 +27,7 @@ pub fn project_file_type(ext: &str) -> Option<&str> {
         "jar" => Some("application/java-archive"),
         "zip" | "litemod" => Some("application/zip"),
         "mrpack" => Some(MRPACK_MIME_TYPE),
+        "asc" | "gpg" | "sig" => Some("application/pgp-signature"),
         _ => None,
     }
 }