diff --git a/README.md b/README.md
index fa77f5e..78f9fa6 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,12 @@ In `tools/` run `npm install`.
 - [zopflipng](https://github.com/google/zopfli)
 - [brotli](https://github.com/google/brotli) (Linux)
 
+## Run update locally
+
+```
+bash ./scripts/test-process-version.sh package-name package-version
+```
+
 ## License
 
 Each library hosted on cdnjs is released under its own license. This cdnjs repository is published under [MIT license](LICENSE).
diff --git a/scripts/test-process-version.sh b/scripts/test-process-version.sh
index f3a477b..f3fd002 100644
--- a/scripts/test-process-version.sh
+++ b/scripts/test-process-version.sh
@@ -1,14 +1,27 @@
+package=$1
+version=$2
+
+set -e
+
+echo "processing $package $version"
+
 export DOCKER_BUILDKIT=1
 mkdir -p /tmp/input /tmp/output 
 
 rm -rf /tmp/output/*
 
-curl https://storage.googleapis.com/cdnjs-incoming-prod/design-system-2.15.4.tgz > /tmp/input/new-version.tgz
-curl https://raw.githubusercontent.com/cdnjs/packages/master/packages/d/design-system.json > /tmp/input/config.json
+echo "loading new version files"
+curl --fail https://storage.googleapis.com/cdnjs-incoming-prod/$package-$version.tgz > /tmp/input/new-version.tgz
+echo "loading package configuration"
+curl --fail https://raw.githubusercontent.com/cdnjs/packages/master/packages/${package::1}/$package.json > /tmp/input/config.json
+
+cat /tmp/input/config.json
 
+echo "----------------- input files -----------------"
 ls -lh /tmp/input
 
 docker build -f docker/process-version/Dockerfile -t sandbox .
 docker run -it -v /tmp/input:/input -v /tmp/output:/output sandbox
 
+echo "----------------- output files -----------------"
 ls -lh /tmp/output