diff --git a/src/bin/detee-cli.rs b/src/bin/detee-cli.rs
index 511565a..2a96860 100644
--- a/src/bin/detee-cli.rs
+++ b/src/bin/detee-cli.rs
@@ -117,6 +117,7 @@ fn main() {
                             "Package registry url, detee-cli app package <binary>".to_string() +
                             "check detee-cli app package --help for more information"
                         )
+                        .required(true)
                     )
                     .arg(
                         Arg::new("package-type")