diff --git a/package-lock.json b/package-lock.json
index 00184dd..148e12f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12915,9 +12915,9 @@
             }
         },
         "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=="
         },
         "rgb-regex": {
             "version": "1.0.1",
diff --git a/package.json b/package.json
index 40da273..98ac3cc 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
         "react-helmet": "^5.2.0",
         "rehype-react": "^3.1.0",
         "remark-react": "^5.0.1",
-        "reveal.js": "^3.8.0"
+        "reveal.js": "^4.3.0"
     },
     "scripts": {
         "build": "gatsby build",