diff --git a/Dockerfile b/Dockerfile
index 89c5ecb..509141c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,7 @@
 FROM php:8.1-fpm
 
-RUN apt-get update && apt-get install -y libzip-dev libicu-dev git libpng-dev unzip
+RUN apt-get update && apt-get install -y libzip-dev libicu-dev git libpng-dev unzip \
+    && rm -r /var/lib/apt/lists/*
 
 RUN docker-php-ext-install pdo pdo_mysql zip intl gd bcmath