diff --git a/package-lock.json b/package-lock.json
index 54b07e7..9a919a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4817,9 +4817,9 @@
       "dev": true
     },
     "reveal.js": {
-      "version": "3.8.0",
-      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-3.8.0.tgz",
-      "integrity": "sha512-MQ+UBXIIL9IyBXhkLZWb/AG5h5/BedmnHXHIEavMBawNLVfAayvTrwNlDjGn4tf/CQ2CTJR8jSyIdu4RpfoLpg==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-4.3.0.tgz",
+      "integrity": "sha512-KzZxJjj1gmxVNyplY6g9MiGwtDvZJiYkMvG1Qmaita7vWT/8eoTEK+RuIPLvxDeyxOtTz56u2wrOETVO79qL4A==",
       "dev": true
     },
     "rimraf": {
diff --git a/package.json b/package.json
index 6049511..16921ee 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "gulp-line-ending-corrector": "^1.0.3",
     "gulp-ssi": "^0.1.3",
     "jquery": "^3.4.1",
-    "reveal.js": "^3.8.0",
+    "reveal.js": "^4.3.0",
     "serve": "^11.1.0"
   },
   "scripts": {