diff --git a/build.rs b/build.rs
index 95565aa6..f546c8b6 100644
--- a/build.rs
+++ b/build.rs
@@ -48,6 +48,7 @@ fn cache_bust() {
     //        mime::TEXT_CSS,
     //    ];
 
+    println!("cargo:rerun-if-changed=static/cache");
     let no_hash = vec![NoHashCategory::FileExtentions(vec!["wasm"])];
 
     let config = BusterBuilder::default()