diff --git a/build.rs b/build.rs
index cc7b94e..664da7e 100644
--- a/build.rs
+++ b/build.rs
@@ -1,8 +1,4 @@
-use std::process::Command;
-
-fn main() -> shadow_rs::SdResult<()> {
-    let output = Command::new("git").args(&["rev-parse", "HEAD"]).output().unwrap();
-    let git_hash = String::from_utf8(output.stdout).unwrap();
-    println!("cargo:rustc-env=GIT_HASH={}", git_hash);
-    shadow_rs::new()
+fn main() {
+    println!("cargo:rerun-if-changed=.git/refs/heads/main"); // genius
+    shadow_rs::new().unwrap();
 }