diff --git a/Build/build-reject-domainset.ts b/Build/build-reject-domainset.ts
index 471dbd55..e2e695f5 100644
--- a/Build/build-reject-domainset.ts
+++ b/Build/build-reject-domainset.ts
@@ -15,7 +15,6 @@ import { SHARED_DESCRIPTION } from './constants/description';
 import { addArrayElementsToSet } from 'foxts/add-array-elements-to-set';
 import { OUTPUT_INTERNAL_DIR, SOURCE_DIR } from './constants/dir';
 import { DomainsetOutput, AdGuardHomeOutput } from './lib/rules/domainset';
-import { HostnameSmolTrie } from 'hntrie/smol';
 import { getBuildWorkerFarm } from './lib/build-worker-farm';
 import { RulesetOutput } from './lib/rules/ruleset';
 import { fetchAssets } from './lib/fetch-assets';
@@ -249,9 +248,9 @@ export const buildRejectDomainSet = task(require.main === module, __filename)(as
   });
 
   // reject-adguardhome starts from the (whitelisted) reject trie and adds to it.
-  // Cloning (~70ms, ~25ms once hntrie ships a native clone()) instead of sharing
-  // the trie lets its write run alongside the others instead of waiting for the
-  // reject write to finish first (~0.4s serial on CI). See lib/trie-clone.bench.ts.
+  // Cloning (~25ms for ~135k entries) instead of sharing the trie lets its write
+  // run alongside the others instead of waiting for the reject write to finish
+  // first (~0.4s serial on CI).
   const rejectOutputAdGuardHome = new AdGuardHomeOutput(span, 'reject-adguardhome', OUTPUT_INTERNAL_DIR)
     .withTitle('Sukka\'s Ruleset - AdGuardHome Blocklist')
     .withDescription([
@@ -260,8 +259,7 @@ export const buildRejectDomainSet = task(require.main === module, __filename)(as
 
   rejectOutputAdGuardHome.domainTrie = span.traceChildSync(
     'clone reject trie for adguardhome',
-    // TODO: HostnameSmolTrie#clone() once available, the binary round trip is the public-API stand-in
-    () => HostnameSmolTrie.deserializeTransferable(rejectDomainsetOutput.domainTrie.serializeTransferable()),
+    () => rejectDomainsetOutput.domainTrie.clone(),
     SpanCategory.Compute
   );
 
diff --git a/package.json b/package.json
index 7869f742..c86e84e4 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "fdir": "^6.5.0",
     "fnv1a52": "^1.0.0",
     "hash-wasm": "^4.12.0",
-    "hntrie": "^1.1.0",
+    "hntrie": "^1.2.0",
     "null-prototype-object": "^1.2.7",
     "picocolors": "^1.1.1",
     "stable-hash": "^0.0.6",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 34aaa177..da62fe20 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -155,8 +155,8 @@ importers:
         specifier: ^4.12.0
         version: 4.12.0
       hntrie:
-        specifier: ^1.1.0
-        version: 1.1.0
+        specifier: ^1.2.0
+        version: 1.2.0
       null-prototype-object:
         specifier: ^1.2.7
         version: 1.2.7
@@ -1506,8 +1506,8 @@ packages:
   hash-wasm@4.12.0:
     resolution: {integrity: sha512-+/2B2rYLb48I/evdOIhP+K/DD2ca2fgBjp6O+GBEnCDk2e4rpeXIK8GvIyRPjTezgmWn9gmKwkQjjx6BtqDHVQ==}
 
-  hntrie@1.1.0:
-    resolution: {integrity: sha512-OQcAZvpOKpwFOq30q93YgpaE3EEcTMnU2+QMuLuwat1RXasAfPV7F/SUQI8z1vJLVxIJshLphRlXMnF+tvRpDQ==}
+  hntrie@1.2.0:
+    resolution: {integrity: sha512-p/I3J3JWdPcvVASK0SEEHNut9WaeGzAjyw90agTqBUUU/GZZeZoEnPKbHsid1UvtlBSOZn9yXFCEwXo0pEKOmw==}
 
   htmlparser2@6.1.0:
     resolution: {integrity: sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==}
@@ -3169,7 +3169,7 @@ snapshots:
 
   hash-wasm@4.12.0: {}
 
-  hntrie@1.1.0:
+  hntrie@1.2.0:
     dependencies:
       foxts: 5.9.1