diff --git a/Dockerfile b/Dockerfile
index 8cf48f5..9d5ead7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,4 +7,6 @@ VOLUME /var/www/html/files/
 
 COPY . /var/www/html/
 
-RUN chmod a-w README.md EXAMPLES.md MARKDOWN-STYLES.md
+RUN chmod a-w README.md EXAMPLES.md MARKDOWN-STYLES.md && \
+    echo "upload_max_filesize = 50M" > /usr/local/etc/php/conf.d/upload_size.ini && \
+    echo "post_max_size = 50M" >> /usr/local/etc/php/conf.d/upload_size.ini