diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 08c69f5..b5a9fbc 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -30,15 +30,8 @@ packaging:
 
 signing:
   stage: signing
+  image: nextcloud:fpm
   script:
-    - apt update
-    - DEBIAN_FRONTEND="noninteractive" apt install -y wget apt-transport-https
-    - wget -q -O- https://packages.sury.org/php/apt.gpg | apt-key add -
-    - echo "deb https://packages.sury.org/php/ stretch main" | tee /etc/apt/sources.list.d/php.list
-    - apt-get update
-    - DEBIAN_FRONTEND="noninteractive" apt install -y php7.2 php7.2-gd php7.2-json php7.2-mysql php7.2-curl php7.2-intl php7.2-imagick php7.2-zip php7.2-xmlwriter php7.2-xmlreader php7.2-xml php7.2-mbstring php7.2-simplexml
-    - wget https://download.nextcloud.com/server/releases/nextcloud-20.0.2.tar.bz2
-    - tar xvf nextcloud-20.0.2.tar.bz2
     - echo "-----BEGIN PRIVATE KEY-----" > sign.key
     - echo $SIGN_KEY | tr " " "\n" >> sign.key
     - echo "-----END PRIVATE KEY-----" >> sign.key
@@ -46,7 +39,7 @@ signing:
     - echo $SIGN_CRT | tr " " "\n" >> sign.crt
     - echo "-----END CERTIFICATE-----" >> sign.crt
     - tar xvf build/artifacts/radio.tar.gz
-    - php nextcloud/occ integrity:sign-app --path=$(pwd)/radio --privateKey=$(pwd)/sign.key --certificate=$(pwd)/sign.crt
+    - ./occ integrity:sign-app --path=$(pwd)/radio --privateKey=$(pwd)/sign.key --certificate=$(pwd)/sign.crt
     - ls $(pwd)/radio/appinfo
     - tar -czvf build/artifacts/radio.tar.gz radio
     - rm -r sign.key sign.crt radio