diff --git a/package-lock.json b/package-lock.json
index 56295ed2..07403323 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15604,9 +15604,9 @@
       }
     },
     "reveal.js": {
-      "version": "3.9.2",
-      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-3.9.2.tgz",
-      "integrity": "sha512-Dvv2oA9FrtOHE2DWj5js8pMRfwq++Wmvsn1EyAdYLC80lBjTphns+tPsB652Bnvep9AVviuVS/b4XoVY9rXHLA==",
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-4.3.0.tgz",
+      "integrity": "sha512-KzZxJjj1gmxVNyplY6g9MiGwtDvZJiYkMvG1Qmaita7vWT/8eoTEK+RuIPLvxDeyxOtTz56u2wrOETVO79qL4A==",
       "dev": true
     },
     "rgb-regex": {
diff --git a/package.json b/package.json
index c2cfd89a..69ee53cd 100644
--- a/package.json
+++ b/package.json
@@ -181,7 +181,7 @@
     "power-assert": "~1.6.1",
     "prismjs": "^1.17.1",
     "raphael": "~2.2.8",
-    "reveal.js": "~3.9.2",
+    "reveal.js": "~4.3.0",
     "script-loader": "~0.7.2",
     "select2": "~3.5.2-browserify",
     "sinon": "~7.3.2",