diff --git a/nextcloud/docker-compose.yml b/nextcloud/docker-compose.yml
index d1ff752..8af48d4 100644
--- a/nextcloud/docker-compose.yml
+++ b/nextcloud/docker-compose.yml
@@ -1,4 +1,4 @@
-version: '2'
+version: "2"
 
 services:
   traefik:
@@ -12,7 +12,7 @@ services:
     restart: unless-stopped
 
   db:
-    image: mariadb
+    image: mariadb:10.5-focal
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
     restart: unless-stopped
     volumes:
@@ -59,7 +59,7 @@ services:
     restart: unless-stopped
 
   cron:
-    image: nextcloud:apache
+    image: nextcloud:22.1-apache
     restart: unless-stopped
     volumes:
       - ./data:/var/www/html
diff --git a/nextcloud/nextcloud/Dockerfile b/nextcloud/nextcloud/Dockerfile
index 27a10f8..1f47c37 100644
--- a/nextcloud/nextcloud/Dockerfile
+++ b/nextcloud/nextcloud/Dockerfile
@@ -1,15 +1,15 @@
-FROM nextcloud:apache
+FROM nextcloud:22.1-apache
 
 RUN set -ex; \
     \
     apt-get update; \
     apt-get install -y --no-install-recommends \
-        ffmpeg \
-        libmagickcore-6.q16-6-extra \
-        procps \
-        smbclient \
-        supervisor \
-#       libreoffice \
+    ffmpeg \
+    libmagickcore-6.q16-6-extra \
+    procps \
+    smbclient \
+    supervisor \
+    #       libreoffice \
     ; \
     rm -rf /var/lib/apt/lists/*
 
@@ -19,30 +19,30 @@ RUN set -ex; \
     \
     apt-get update; \
     apt-get install -y --no-install-recommends \
-        libbz2-dev \
-        libc-client-dev \
-        libkrb5-dev \
-        libsmbclient-dev \
+    libbz2-dev \
+    libc-client-dev \
+    libkrb5-dev \
+    libsmbclient-dev \
     ; \
     \
     docker-php-ext-configure imap --with-kerberos --with-imap-ssl; \
     docker-php-ext-install \
-        bz2 \
-        imap \
+    bz2 \
+    imap \
     ; \
     pecl install smbclient; \
     docker-php-ext-enable smbclient; \
     \
-# reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
+    # reset apt-mark's "manual" list so that "purge --auto-remove" will remove all build dependencies
     apt-mark auto '.*' > /dev/null; \
     apt-mark manual $savedAptMark; \
     ldd "$(php -r 'echo ini_get("extension_dir");')"/*.so \
-        | awk '/=>/ { print $3 }' \
-        | sort -u \
-        | xargs -r dpkg-query -S \
-        | cut -d: -f1 \
-        | sort -u \
-        | xargs -rt apt-mark manual; \
+    | awk '/=>/ { print $3 }' \
+    | sort -u \
+    | xargs -r dpkg-query -S \
+    | cut -d: -f1 \
+    | sort -u \
+    | xargs -rt apt-mark manual; \
     \
     apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false; \
     rm -rf /var/lib/apt/lists/*
@@ -50,7 +50,7 @@ RUN set -ex; \
 RUN mkdir -p \
     /var/log/supervisord \
     /var/run/supervisord \
-;
+    ;
 
 COPY supervisord.conf /