diff --git a/bookstack/Dockerfile b/bookstack/Dockerfile
index d56da6f..36bf413 100644
--- a/bookstack/Dockerfile
+++ b/bookstack/Dockerfile
@@ -10,23 +10,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 RUN \
     apk add --no-cache \
         mariadb-client=10.4.13-r0 \
-        nginx=1.16.1-r6 \
-        php7-curl=7.3.18-r0 \
-        php7-dom=7.3.18-r0 \
-        php7-fileinfo=7.3.18-r0 \
-        php7-fpm=7.3.18-r0 \
-        php7-gd=7.3.18-r0 \
-        php7-json=7.3.18-r0 \
-        php7-mbstring=7.3.18-r0 \
-        php7-mysqlnd=7.3.18-r0 \
-        php7-openssl=7.3.18-r0 \
-        php7-pdo_mysql=7.3.18-r0 \
-        php7-session=7.3.18-r0 \
-        php7-simplexml=7.3.18-r0 \
-        php7-tidy=7.3.18-r0 \
-        php7-tokenizer=7.3.18-r0 \
-        php7-xml=7.3.18-r0 \
-        php7=7.3.18-r0 \
+        nginx=1.18.0-r0 \
     \
     && apk add --no-cache --virtual .build-dependencies \
         composer=1.9.1-r0 \