diff --git a/package.json b/package.json
index dc8cd88..ac4cb2b 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,6 @@
     "license": "MIT",
     "homepage": "https://github.com/thc-tools/formation-git-basic",
     "dependencies": {
-        "reveal.js": "^3.1.0"
+        "reveal.js": "^4.0.0"
     }
 }