diff --git a/proto/build.rs b/proto/build.rs
index 7e6498f..d2ec2c8 100644
--- a/proto/build.rs
+++ b/proto/build.rs
@@ -5,7 +5,7 @@ pub fn main() -> io::Result<()> {
 
     for file in fs::read_dir("proto/steam")? {
         let path = file?.path();
-        eprintln!("Got path {:?}", path);
+        println!("cargo:rerun-if-changed={}", path.to_str().unwrap());
         files.push(path);
     }