diff --git a/antora/package-lock.json b/antora/package-lock.json
index a57ddaf3e56..177f6257cd4 100644
--- a/antora/package-lock.json
+++ b/antora/package-lock.json
@@ -13,7 +13,7 @@
         "@springio/antora-extensions": "1.11.1",
         "@springio/antora-xref-extension": "1.0.0-alpha.4",
         "@springio/antora-zip-contents-collector-extension": "1.0.0-alpha.8",
-        "@springio/asciidoctor-extensions": "1.0.0-alpha.14",
+        "@springio/asciidoctor-extensions": "1.0.0-alpha.15",
         "patch-package": "^8.0.0"
       }
     },
@@ -388,9 +388,10 @@
       }
     },
     "node_modules/@springio/asciidoctor-extensions": {
-      "version": "1.0.0-alpha.14",
-      "resolved": "https://registry.npmjs.org/@springio/asciidoctor-extensions/-/asciidoctor-extensions-1.0.0-alpha.14.tgz",
-      "integrity": "sha512-FqyWSsmmEuUwllEicIM28cXnmFaJKkLa8V03uQxxI4vlrfhB2gVmPzfS9kAbA4an26lYKEb4SOytO2By4HW4Sw==",
+      "version": "1.0.0-alpha.15",
+      "resolved": "https://registry.npmjs.org/@springio/asciidoctor-extensions/-/asciidoctor-extensions-1.0.0-alpha.15.tgz",
+      "integrity": "sha512-ERSHVfty59wCZxRFPBwO6dbVjDdaOF96tHgRru0lcdbK3peA3cr48BsnkFmpTEnTxGqMRXoww2QtKFqi47Oj2w==",
+      "license": "ASL-2.0",
       "dependencies": {
         "js-yaml": "~4.1"
       },
diff --git a/antora/package.json b/antora/package.json
index b994652d1ab..2e4db19c7e0 100644
--- a/antora/package.json
+++ b/antora/package.json
@@ -11,7 +11,7 @@
     "@springio/antora-xref-extension": "1.0.0-alpha.4",
     "@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.14",
+    "@springio/asciidoctor-extensions": "1.0.0-alpha.15",
     "patch-package": "^8.0.0"
   },
   "config": {