diff --git a/toolkit-showcase/package.json b/toolkit-showcase/package.json
index 266ccfc22a1dc2933adabe0ec1a0a1b7e9e1c32e..50a8bacc781d97c3f492ef5e43d553e7f881b7aa 100644
--- a/toolkit-showcase/package.json
+++ b/toolkit-showcase/package.json
@@ -53,7 +53,7 @@
     "@open-wc/scoped-elements": "^1.3.3",
     "fabric": "^4.2.0",
     "file-saver": "^2.0.2",
-    "highlight.js": "^10.1.2",
+    "highlight.js": "^11.0.0",
     "i18next": "^20.0.0",
     "jszip": "^3.5.0",
     "lit-element": "^2.4.0",
diff --git a/yarn.lock b/yarn.lock
index f782e41ed9bc7d6cc83bd177edc120d8eb77ebd2..727dee514377f65ef2327be17b01afebb24f9f74 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4626,10 +4626,10 @@ he@1.2.0, he@^1.2.0:
   resolved "https://registry.yarnpkg.com/he/-/he-1.2.0.tgz#84ae65fa7eafb165fddb61566ae14baf05664f0f"
   integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==
 
-highlight.js@^10.1.2:
-  version "10.7.2"
-  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-10.7.2.tgz#89319b861edc66c48854ed1e6da21ea89f847360"
-  integrity sha512-oFLl873u4usRM9K63j4ME9u3etNF0PLiJhSQ8rdfuL51Wn3zkD6drf9ZW0dOzjnZI22YYG24z30JcmfCZjMgYg==
+highlight.js@^11.0.0:
+  version "11.0.0"
+  resolved "https://registry.yarnpkg.com/highlight.js/-/highlight.js-11.0.0.tgz#e22ac9ca45edc4f87a2187685d591a108ceb8449"
+  integrity sha512-ByaTMfsSuoqerTwemOgpIhfULEIaK52JJYhky/sK7/Yqc0+t7Uh5DHay9vIC94YXSupnQ1Vqfc9VXrYP4eXW3Q==
 
 hosted-git-info@^2.1.4:
   version "2.8.9"