diff --git a/ploneconf2020-grace_under_fire/package-lock.json b/ploneconf2020-grace_under_fire/package-lock.json
index bf696b5..d597224 100644
--- a/ploneconf2020-grace_under_fire/package-lock.json
+++ b/ploneconf2020-grace_under_fire/package-lock.json
@@ -4321,9 +4321,9 @@
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+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.4.1.tgz",
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