diff --git a/php-fpm/Dockerfile b/php-fpm/Dockerfile
index 1fa8654..8eb1297 100644
--- a/php-fpm/Dockerfile
+++ b/php-fpm/Dockerfile
@@ -25,7 +25,7 @@ RUN apk add --update \
     php7-phar \
     php7-tokenizer \
     php7-session \
-    Php7-simplexml \
+    php7-simplexml \
     php7-xdebug \
     make \
     curl