diff --git a/src/compile.rs b/src/compile.rs
index 59404b1..7c1bbca 100644
--- a/src/compile.rs
+++ b/src/compile.rs
@@ -8,6 +8,7 @@ use anyhow::Result;
 use tokio::process::Command;
 
 #[derive(Clone, Copy)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum Language {
     C,
     CPP,