diff --git a/build.rs b/build.rs
index 161aa33..ae8b0d5 100644
--- a/build.rs
+++ b/build.rs
@@ -2,5 +2,6 @@ use shadow_rs::SdResult;
 
 fn main() -> SdResult<()> {
     println!("cargo:rerun-if-changed=.git/HEAD");
+    println!("cargo:rerun-if-changed=.git/refs/heads");
     shadow_rs::new()
 }