diff --git a/rero_ils/bundles.py b/rero_ils/bundles.py
index 4fadb18a5f..73c6ee6c70 100644
--- a/rero_ils/bundles.py
+++ b/rero_ils/bundles.py
@@ -26,6 +26,9 @@
 from pkg_resources import resource_filename
 
 
+RERO_ILS_UI_VERSION = '0.0.9'
+
+
 def catalog(domain):
     """Return glob matching path to tranlated messages for a given domain."""
     return os.path.join(
@@ -77,7 +80,7 @@ def catalog(domain):
     'node_modules/@rero/rero-ils-ui/dist/admin/main.*.js',
     output='gen/rero_ils_admin_ui.%(version)s.js',
     npm={
-        '@rero/rero-ils-ui': '0.0.9'
+        '@rero/rero-ils-ui': '~{version}'.format(version=RERO_ILS_UI_VERSION)
     }
 )
 
@@ -89,7 +92,7 @@ def catalog(domain):
     'node_modules/@rero/rero-ils-ui/dist/public-search/main.*.js',
     output='gen/rero_ils_public-search_ui.%(version)s.js',
     npm={
-        '@rero/rero-ils-ui': '0.0.9'
+        '@rero/rero-ils-ui': '~{version}'.format(version=RERO_ILS_UI_VERSION)
     }
 )
 
@@ -98,6 +101,6 @@ def catalog(domain):
     'node_modules/@rero/rero-ils-ui/dist/search-bar/main.*.js',
     output='gen/rero_ils_search-bar_ui.%(version)s.js',
     npm={
-        '@rero/rero-ils-ui': '0.0.9'
+        '@rero/rero-ils-ui': '~{version}'.format(version=RERO_ILS_UI_VERSION)
     }
 )
diff --git a/scripts/bootstrap b/scripts/bootstrap
index bf1411c1f8..99f510c643 100755
--- a/scripts/bootstrap
+++ b/scripts/bootstrap
@@ -57,29 +57,41 @@ success_msg() {
 # Displays program name
 msg "PROGRAM: ${PROGRAM}"
 
-# The real bootstrap script starts 20 lines below ;-)
+# options may be followed by one colon to indicate they have a required argument
+if ! options=$(getopt -o dsb -l -t deploy,ci,tgz_path: -- "$@")
+then
+    # something went wrong, getopt will put out an error message for us
+    exit 1
+fi
+
+# The real bootstrap script starts with app installation below ;-)
 flags=()
 deploy=false
 cmd="pipenv sync"
 ci=false
-while test $# -gt 0; do
-    case "$1" in
-        --deploy)
-            # We are probably inside travis, check for env variables
-            deploy=true
-            shift
-            ;;
-        --ci)
-            # We are probably inside travis, check for env variables
-            ci=true
-            shift
-            ;;
-        *)
-            # Use the flags that are passed to the script directly to install
-            flags+=("$1")
-            shift
-            ;;
-    esac
+TGZ_PATH=""
+while test $# -gt 0
+do
+  case "$1" in
+    -d|--deploy)
+      # We are probably inside travis, check for env variables
+      deploy=true ;;
+    -c|--ci)
+      # We are probably inside travis, check for env variables
+      ci=true ;;
+    -t|--tgz_path)
+      TGZ_PATH=$2
+      if [ -z $2 ]
+        then
+          error_msg+exit "Please give path to .tgz"
+        else
+          TGZ_PATH=$2
+        fi ;;
+    (--) shift; break;;
+    (-*) flags+=("$1") ;;
+    (*) break;;
+  esac
+  shift
 done
 
 if ! $deploy || $ci ; then
@@ -95,6 +107,7 @@ fi
 # go generate a clean lock file
 # pipenv --rm; pipenv install --sequential
 
+# BOOTSTRAP START
 # install the application and all the dependencies
 info_msg "Install with command: ${cmd} ${flags[@]}"
 ${cmd} ${flags[@]}
@@ -119,6 +132,11 @@ info_msg "Search static folder location"
 static_folder=$(pipenv run invenio shell --no-term-title -c "print('static_folder:%s' % app.static_folder)"|grep static_folder| cut -d: -f2-)
 info_msg "Install static folder npm dependencies in: ${static_folder}"
 pipenv run npm install --prefix "${static_folder}"
+if [ ! -d $TGZ_PATH ]
+then
+  info_msg "Install RERO-ILS-UI from tgz"
+  pipenv run npm install "${TGZ_PATH}" --prefix "${static_folder}"
+fi
 
 # build the web assets
 info_msg "Build web assets: collect"