diff --git a/admin/prepare-and-build.sh b/admin/prepare-and-build.sh
old mode 100644
new mode 100755
index e5d79ba17..44ed47276
--- a/admin/prepare-and-build.sh
+++ b/admin/prepare-and-build.sh
@@ -1,9 +1,7 @@
 # TODO this is the quick&dirty solution for the openssl security topic, please see https://stackoverflow.com/questions/69692842/error-message-error0308010cdigital-envelope-routinesunsupported
 $env:NODE_OPTIONS = "--openssl-legacy-provider"
 
-# upgrade yarn and node versions
-nvm use v20.0.0
-yarn set version stable
-yarn cache clear
+nvm use
+yarn cache clean
 yarn install
 yarn build