diff --git a/docker/app/Dockerfile b/docker/app/Dockerfile
index e87734f..41ab9a0 100644
--- a/docker/app/Dockerfile
+++ b/docker/app/Dockerfile
@@ -9,12 +9,17 @@
 
 RUN apt-get update && \
 	apt-get install -y --no-install-recommends \
+	libgmp3-dev \
 	smbclient libsmbclient-dev \
-	libbz2-dev
+	libbz2-dev \
+	libmagickcore-6.q16-6-extra \
+	php-bcmath
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 RUN	pecl install \
 	smbclient
 RUN docker-php-ext-install bz2
+RUN docker-php-ext-install gmp
+RUN docker-php-ext-install bz2
 RUN docker-php-ext-enable smbclient
 
 COPY redis.config.php /usr/src/nextcloud/config/redis.config.php