diff --git a/package.json b/package.json
index ecd8d0160..caec46c5d 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "@antora/cli": "^3.0.0-alpha.1",
-    "@antora/site-generator-default": "^2.3.4",
+    "@antora/site-generator-default": "^3.0.0",
     "@djencks/asciidoctor-tabset-block": "https://experimental-repo.s3-us-west-1.amazonaws.com/djencks-asciidoctor-tabset-block-v0.0.3.tgz"
   },
   "dependencies": {