diff --git a/antora/package-lock.json b/antora/package-lock.json
index c3d2ead9245..b4ad002f665 100644
--- a/antora/package-lock.json
+++ b/antora/package-lock.json
@@ -12,7 +12,7 @@
         "@springio/antora-extensions": "1.11.1",
         "@springio/antora-xref-extension": "1.0.0-alpha.3",
         "@springio/antora-zip-contents-collector-extension": "1.0.0-alpha.8",
-        "@springio/asciidoctor-extensions": "1.0.0-alpha.10"
+        "@springio/asciidoctor-extensions": "1.0.0-alpha.11"
       }
     },
     "node_modules/@antora/asciidoc-loader": {
@@ -386,9 +386,9 @@
       }
     },
     "node_modules/@springio/asciidoctor-extensions": {
-      "version": "1.0.0-alpha.10",
-      "resolved": "https://registry.npmjs.org/@springio/asciidoctor-extensions/-/asciidoctor-extensions-1.0.0-alpha.10.tgz",
-      "integrity": "sha512-3+LYhKYsTZKlUq3M99L5W67x+wI6TGlFkD23ZcjKP6undjy3xf7xZL7Ndmslf8trQ24V+QkaCmFtF/2JQY9KwA==",
+      "version": "1.0.0-alpha.11",
+      "resolved": "https://registry.npmjs.org/@springio/asciidoctor-extensions/-/asciidoctor-extensions-1.0.0-alpha.11.tgz",
+      "integrity": "sha512-U+uTAdlqv1qT66iI6M3xHUgJMLl3KxoduiNjhpUGDzLC1PBuApp//BOPF7vWyJT9IGO9pmrQ0Moeucs5xvovQg==",
       "dependencies": {
         "js-yaml": "~4.1"
       },
diff --git a/antora/package.json b/antora/package.json
index f7aa971cd36..ea8a2b4af85 100644
--- a/antora/package.json
+++ b/antora/package.json
@@ -10,7 +10,7 @@
     "@springio/antora-xref-extension": "1.0.0-alpha.3",
     "@springio/antora-zip-contents-collector-extension": "1.0.0-alpha.8",
     "@asciidoctor/tabs": "1.0.0-beta.6",
-    "@springio/asciidoctor-extensions": "1.0.0-alpha.10"
+    "@springio/asciidoctor-extensions": "1.0.0-alpha.11"
   },
   "config": {
     "ui-bundle-url": "https://github.com/spring-io/antora-ui-spring/releases/download/v0.4.16/ui-bundle.zip"