diff --git a/hammond-gtk/build.rs b/hammond-gtk/build.rs
index aab183d..71f34e1 100644
--- a/hammond-gtk/build.rs
+++ b/hammond-gtk/build.rs
@@ -1,6 +1,10 @@
 use std::process::Command;
 
 fn main() {
+    // Rerun the build script when files in the resources folder are changed.
+    println!("cargo:rerun-if-changed=resources");
+    println!("cargo:rerun-if-changed=resources/*");
+
     Command::new("glib-compile-resources")
         .args(&["--generate", "resources.xml"])
         .current_dir("resources")