diff --git a/Sources/php_script/Dockerfile b/Sources/php_script/Dockerfile
index e20add6..7b9ccd0 100644
--- a/Sources/php_script/Dockerfile
+++ b/Sources/php_script/Dockerfile
@@ -1,5 +1,5 @@
 FROM php:8.1-apache
 RUN apt-get update &&  apt-get upgrade -y
 RUN docker-php-ext-install mysqli
-RUN apt-get install -y phpmyadmin php-mbstring php-gettext -y
+RUN apt-get install -y phpmyadmin php8.1-mbstring php-gettext -y
 COPY ./script /var/www/html