diff --git a/package-lock.json b/package-lock.json
index cc98251..b1d45c2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -504,9 +504,9 @@
       }
     },
     "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=="
     },
     "safe-buffer": {
       "version": "5.1.2",
diff --git a/package.json b/package.json
index 6ce5fde..f5f17d5 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "jsgrid": "git+https://github.com/fri-sch/jsgrid.git#b2c0d6fd39c3fa1999c9bddcab3dba3259972152",
     "lowdb-api": "git+https://github.com/fri-sch/lowdb-api.git#869c1019ef4d7433501ebc6429559cf5e57e360d",
     "mustache": "^3.0.3",
-    "reveal.js": "^3.9.2",
+    "reveal.js": "^4.3.0",
     "socket.io": "^2.4.0"
   }
 }