diff --git a/scripts/_common.sh b/scripts/_common.sh
index 17144b9..c96cc51 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -95,8 +95,7 @@ init_composer() {
     || ynh_die "Unable to install Composer"
 
   # update dependencies to create composer.lock
-  exec_composer "$DESTDIR" self-update
-  exec_composer "$DESTDIR" update symfony/flex --no-plugins
+  exec_composer "$DESTDIR" update symfony/flex --no-plugins --no-scripts
   exec_composer "$DESTDIR" install  --no-dev --optimize-autoloader  \
     || ynh_die "Unable to update Kimai2 core dependencies"
 }