diff --git a/upx.sh b/upx.sh
new file mode 100644
index 00000000..32736832
--- /dev/null
+++ b/upx.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# a warpper for "post-run" build scripts
+# see also https://github.com/rust-lang/cargo/issues/545
+
+command $*
+status_code="$?"
+find ./target/ \( -name hitdns -or -name hitdns.exe \) -exec upx '{}' \;
+exit "$status_code"
+