diff --git a/src/reference_agent/viewer/static/viz.js b/src/reference_agent/viewer/static/viz.js
index 4b5664e..799b0c7 100644
--- a/src/reference_agent/viewer/static/viz.js
+++ b/src/reference_agent/viewer/static/viz.js
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 (function () {
+  if (window.markedFootnote) { marked.use(markedFootnote()); }
   const bundle = window.BUNDLE;
   const bundleName = window.BUNDLE_NAME;
   document.title = `${bundleName} — OKF Viewer`;
diff --git a/src/reference_agent/viewer/templates/viz.html b/src/reference_agent/viewer/templates/viz.html
index 5690bdb..fcbd4c2 100644
--- a/src/reference_agent/viewer/templates/viz.html
+++ b/src/reference_agent/viewer/templates/viz.html
@@ -20,6 +20,7 @@
 <title>OKF Bundle Viewer</title>
 <script src="https://cdn.jsdelivr.net/npm/cytoscape@3.28.1/dist/cytoscape.min.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/marked@12.0.0/marked.min.js"></script>
+<script src="https://cdn.jsdelivr.net/npm/marked-footnote@1.4.0/dist/index.umd.js"></script>
 <style>
 /*__VIZ_CSS__*/
 </style>