diff --git a/phpmyadmin/Dockerfile b/phpmyadmin/Dockerfile
index 75812d9b..ded59baf 100644
--- a/phpmyadmin/Dockerfile
+++ b/phpmyadmin/Dockerfile
@@ -5,5 +5,10 @@ LABEL maintainer="Bo-Yi Wu <appleboy.tw@gmail.com>"
 # Add volume for sessions to allow session persistence
 VOLUME /sessions
 
+RUN echo '' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo '[PHP]' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo 'post_max_size = 2G' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini \
+ && echo 'upload_max_filesize = 2G' >> /usr/local/etc/php/conf.d/php-phpmyadmin.ini
+
 # We expose phpMyAdmin on port 80
 EXPOSE 80