diff --git a/.github/workflows/testrunner.yaml b/.github/workflows/testrunner.yaml
index 02c33fe1e5..8bed059ab6 100644
--- a/.github/workflows/testrunner.yaml
+++ b/.github/workflows/testrunner.yaml
@@ -93,7 +93,8 @@ jobs:
             sudo apt-get -y install --no-install-recommends \
                 libasound2 libatk1.0-0 libcairo-gobject2 libcairo2 libdbus-1-3 libdbus-glib-1-2 libfontconfig1 libfreetype6 libgdk-pixbuf-2.0-0 libglib2.0-0 libgtk-3-0 libpango-1.0-0 libpangocairo-1.0-0 libx11-6 libx11-xcb1 libxcb-shm0 libxcb1 libxcomposite1 libxcursor1 libxdamage1 libxext6 libxfixes3 libxi6 libxrandr2 libxrender1 libxtst6 \
                 build-essential graphviz-dev \
-                libxml2 libxslt1.1
+                libxml2 libxslt1.1 \
+                pandoc
       - uses: browser-actions/setup-firefox@v1.4.0
         id: setup-firefox
       - name: setup geckodriver