diff --git a/src/meta_plugin.rs b/src/meta_plugin.rs
index 55f607d..0b9cbb9 100644
--- a/src/meta_plugin.rs
+++ b/src/meta_plugin.rs
@@ -152,7 +152,7 @@ pub fn process_metadata_outputs(internal_name: &str, value: String, outputs: &st
     })
 }
 
-pub trait MetaPlugin {
+pub trait MetaPlugin where Self: 'static {
     fn is_supported(&self) -> bool {
         true
     }