diff --git a/antora/package-lock.json b/antora/package-lock.json
index 2377121..5c70dc8 100644
--- a/antora/package-lock.json
+++ b/antora/package-lock.json
@@ -9,7 +9,7 @@
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       "license": "Apache-2.0",
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@@ -145,14 +145,13 @@
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@@ -460,11 +459,6 @@
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-        "domhandler": "^4.2.0",
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@@ -715,11 +648,11 @@
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@@ -729,13 +662,13 @@
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+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.1.0.tgz",
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-        "dom-serializer": "^1.0.1",
-        "domelementtype": "^2.2.0",
-        "domhandler": "^4.2.0"
+        "dom-serializer": "^2.0.0",
+        "domelementtype": "^2.3.0",
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@@ -751,9 +684,12 @@
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+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
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+      },
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@@ -912,15 +848,10 @@
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-      "integrity": "sha512-DV5Ln36z34NNTDgnz0EWGBLZENelNAtkiFA4kyNOG2tDI6Mz1uSWiq1wAKdyjnJwyDiDO7Fa2SO1CTxPXL8VxA=="
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-      "integrity": "sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==",
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+      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-9.1.0.tgz",
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       "funding": [
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@@ -929,10 +860,10 @@
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-        "domhandler": "^4.0.0",
-        "domutils": "^2.5.2",
-        "entities": "^2.0.0"
+        "domelementtype": "^2.3.0",
+        "domhandler": "^5.0.3",
+        "domutils": "^3.1.0",
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-      "resolved": "https://registry.npmjs.org/lunr-languages/-/lunr-languages-1.9.0.tgz",
-      "integrity": "sha512-Be5vFuc8NAheOIjviCRms3ZqFFBlzns3u9DXpPSZvALetgnydAN0poV71pVLFn0keYy/s4VblMMkqewTLe+KPg=="
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@@ -1197,17 +1128,6 @@
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diff --git a/antora/package.json b/antora/package.json
index 2677d48..4eebe86 100644
--- a/antora/package.json
+++ b/antora/package.json
@@ -23,7 +23,7 @@
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-    "@antora/lunr-extension": "^1.0.0-alpha.8",
+    "@antora/lunr-extension": "^1.0.0-alpha.9",
     "@asciidoctor/tabs": "^1.0.0-beta.6"
   }
 }