--- a/build.rs
+++ b/build.rs
@@ -250,2 +250,5 @@
 fn main() {
+    println!("dh-cargo:deb-built-using=ring_core_{}_{}_{}_=0={}", std::env::var("CARGO_PKG_VERSION_MAJOR").unwrap(), std::env::var("CARGO_PKG_VERSION_MINOR").unwrap(), std::env::var("CARGO_PKG_VERSION_PATCH").unwrap(), std::env::var("CARGO_MANIFEST_DIR").unwrap());
+    println!("dh-cargo:deb-built-using=ring_core_{}_{}_{}__test=0={}", std::env::var("CARGO_PKG_VERSION_MAJOR").unwrap(), std::env::var("CARGO_PKG_VERSION_MINOR").unwrap(), std::env::var("CARGO_PKG_VERSION_PATCH").unwrap(), std::env::var("CARGO_MANIFEST_DIR").unwrap());
+
     // Avoid assuming the working directory is the same is the $CARGO_MANIFEST_DIR so that toolchains