diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index fd138d67..d6c1a184 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,7 @@ build:
   script:
     - apt-get -y update
     - bash -c 'mkdir -p /usr/share/man/man{0..10}'
-    - apt-get -y install build-essential devscripts fakeroot dh-exec jdupes doxygen graphviz php-cli phpunit
+    - apt-get -y install build-essential devscripts fakeroot dh-exec jdupes doxygen graphviz php-cli phpunit rst2pdf
     - mv debian/changelog debian/changelog.old
     - >
       cat
@@ -82,7 +82,7 @@ build_bullseye_latestphp:
   script:
     - apt-get -y update
     - bash -c 'mkdir -p /usr/share/man/man{0..10}'
-    - apt-get -y install build-essential devscripts fakeroot dh-exec jdupes doxygen graphviz
+    - apt-get -y install build-essential devscripts fakeroot dh-exec jdupes doxygen graphviz rst2pdf
     - mv debian/changelog debian/changelog.old
     - >
       cat