diff --git a/.ci/download-signed-stable.sh b/.ci/download-signed-stable.sh
new file mode 100644
index 0000000..0f519b7
--- /dev/null
+++ b/.ci/download-signed-stable.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+wget https://tmp.i.mkg20001.io/zn-last-sign.zip -O signed.zip
+unzip signed.zip