diff --git a/package-lock.json b/package-lock.json
index 214746b..745c2a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13694,9 +13694,9 @@
       "dev": true
     },
     "reveal.js": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-4.1.3.tgz",
-      "integrity": "sha512-5VbL4nVDUedVKnOIIM3UQAIUlp+CvR/SrUkrN5GDoVfcWJAxH2oIh7PWyShy7+pE7tgkH2q+3e5EikGRpgE+oA=="
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/reveal.js/-/reveal.js-4.3.0.tgz",
+      "integrity": "sha512-KzZxJjj1gmxVNyplY6g9MiGwtDvZJiYkMvG1Qmaita7vWT/8eoTEK+RuIPLvxDeyxOtTz56u2wrOETVO79qL4A=="
     },
     "rework": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 4c260ea..a4d5015
--- a/package.json
+++ b/package.json
@@ -54,7 +54,7 @@
     "mousetrap": "^1.6.5",
     "ngx-markdown-editor": "^3.3.1",
     "popper.js": "^1.16.1",
-    "reveal.js": "^4.1.3",
+    "reveal.js": "^4.3.0",
     "rimraf": "^3.0.2",
     "rxjs": "~6.6.3",
     "sortablejs": "^1.13.0",