diff --git a/slides/package-lock.json b/slides/package-lock.json
index 0ae41d71..f5c9669c 100644
--- a/slides/package-lock.json
+++ b/slides/package-lock.json
@@ -3347,9 +3347,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.13.1",
-      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.13.1.tgz",
-      "integrity": "sha512-Sc28JNQNDzaH6PORtRLMvif9RSn1mYuOoX3omVjnb0+HbpPygU2ALBI0R/wsiqCb4/fcp07Gdo8g+fhtFrQl6A=="
+      "version": "9.15.6",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.15.6.tgz",
+      "integrity": "sha512-zozTAWM1D6sozHo8kqhfYgsac+B+q0PmsjXeyDrYIHHcBN0zTVT66+s2GW1GZv7DbyaROdLXKdabwS/WqPyIdQ=="
     },
     "hmac-drbg": {
       "version": "1.0.1",
diff --git a/slides/package.json b/slides/package.json
index ac237617..19aa4a5c 100644
--- a/slides/package.json
+++ b/slides/package.json
@@ -3,7 +3,7 @@
   "author": "Artem Malyshev",
   "private": true,
   "dependencies": {
-    "highlight.js": "^9.12.0",
+    "highlight.js": "^9.15.6",
     "reveal.js": "^3.7.0"
   },
   "devDependencies": {