diff --git a/docker/config/Dockerfile b/docker/config/Dockerfile
index df4b0f8..277e672 100644
--- a/docker/config/Dockerfile
+++ b/docker/config/Dockerfile
@@ -98,7 +98,7 @@ ENV COMPOSER_ALLOW_SUPERUSER 1
 #
 RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
     && php -r "if (hash_file('SHA384', 'composer-setup.php') === \
-        '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo \
+        '93b54496392c062774670ac18b134c3b3a95e5a5e5c8f1a9f115f203b75bf9a129d5daa8ba6a13e2cc8a1da0806388a8') { echo \
         'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
     && php composer-setup.php --install-dir=/usr/local/bin --filename=composer \
     && php -r "unlink('composer-setup.php');" \