diff --git a/app/Resources/js/modules/DateTimePicker.ts b/app/Resources/js/modules/DateTimePicker.ts
index 7d4a952e..fb6d8e40 100644
--- a/app/Resources/js/modules/DateTimePicker.ts
+++ b/app/Resources/js/modules/DateTimePicker.ts
@@ -1,5 +1,6 @@
 import flatpickr from "flatpickr";
 import "flatpickr/dist/flatpickr.min.css";
+import "flatpickr/dist/themes/material_green.css";
 
 /*
  * Detects navigator locale 24h time preference
diff --git a/docker/development/Dockerfile b/docker/development/Dockerfile
index 3daf5ec4..a28a9e6e 100644
--- a/docker/development/Dockerfile
+++ b/docker/development/Dockerfile
@@ -4,7 +4,7 @@
 # ⚠️ NOT optimized for production
 # should be used only for development purposes
 #---------------------------------------------------
-FROM php:8.0-fpm
+FROM php:8.1-fpm
 
 LABEL maintainer="Yassine Doghri <yassine@doghri.fr>"