diff --git a/scripts/install b/scripts/install
index e93491d..edf00cb 100755
--- a/scripts/install
+++ b/scripts/install
@@ -195,10 +195,15 @@ ynh_script_progression --message="Building Yarn dependencies... This can be very
 
 pushd "$final_path"
 	ynh_use_nodejs
+	ynh_script_progression --message="Fetching Yarn dev dependencies... This can be very long, be patient !" --time --weight=5
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --no-optional --frozen-lockfile
+	ynh_script_progression --message="Cleaning cache... " --time --weight=1
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean
+	ynh_script_progression --message="Building Yarn dev dependencies... This can be very long, be patient !" --time --weight=5
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn build
+	ynh_script_progression --message="Fetching Yarn production dependencies... This can be very long, be patient !" --time --weight=5
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn install --production=true --frozen-lockfile
+	ynh_script_progression --message="Cleaning cache... " --time --weight=1
 	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH yarn cache clean
 popd