diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index a18cdbd..b910e40 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -7,10 +7,10 @@ stages:
 
 build-website:
   stage: build
-  image: alpine
+  image: registry.gitlab.com/pages/hugo/hugo_extended:latest
   before_script:
     - apk update
-    - apk add tzdata hugo coreutils curl jq git
+    - apk add tzdata coreutils curl jq git
   script:
     - ./fetch-calendar.sh
     - sed -i "s#baseURL = 'https://hamburg.ccc.de/'#baseURL = 'https://next.hamburg.ccc.de/'#" hugo.toml