diff --git a/scripts/99_deploy.sh b/scripts/99_deploy.sh
index 3e99311..cb1a689 100644
--- a/scripts/99_deploy.sh
+++ b/scripts/99_deploy.sh
@@ -69,7 +69,8 @@ deploy_file() {
 
     suffix=".zip"
     if [[ ${file_name_src} == *$suffix ]] ; then
-        unzip ${_src_path} -d ${_trg_path}
+        # -o: overwrite without prompting
+        unzip -o ${_src_path} -d ${_trg_path}
     else
         # -f (--force): overwrite without confirmation
         cp --force --recursive ${_src_path} ${_trg_path}