diff --git a/.github/workflows/publish-nuget.yml b/.github/workflows/publish-nuget.yml
index dd1bef5..7c2eace 100644
--- a/.github/workflows/publish-nuget.yml
+++ b/.github/workflows/publish-nuget.yml
@@ -9,16 +9,18 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write # Lets NuGet/login request a GitHub OIDC token.
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v7
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: |
+            10.0.x
             9.0.x
             8.0.x
-            7.0.x
-            6.0.x
       - name: Display dotnet version
         run: dotnet --version
       - name: Restore dependencies
@@ -30,8 +32,23 @@ jobs:
       - name: Test
         run: dotnet test --no-build --configuration Release --verbosity normal
         working-directory: ./src
+      - name: Pack
+        run: dotnet pack ZoneTree.FullTextSearch/ZoneTree.FullTextSearch.csproj --configuration Release --no-build --output ../artifacts/packages
+        working-directory: ./src
+      - name: Upload packages
+        uses: actions/upload-artifact@v7
+        with:
+          name: nuget-packages
+          path: artifacts/packages/
+      # Exchange the OIDC token immediately before publishing for a short-lived API key.
+      # Requires a matching NuGet.org trusted publishing policy created by koculu.
+      - name: NuGet login
+        uses: NuGet/login@v1
+        id: login
+        with:
+          user: koculu
       - name: Publish the package to nuget.org
-        run: dotnet nuget push ZoneTree.FullTextSearch/bin/Release/*.nupkg -k $NUGET_AUTH_TOKEN -s https://api.nuget.org/v3/index.json
+        # Pushing a .nupkg also pushes the .snupkg symbol package next to it.
+        run: dotnet nuget push "artifacts/packages/*.nupkg" --api-key "$NUGET_API_KEY" --source https://api.nuget.org/v3/index.json --skip-duplicate
         env:
-          NUGET_AUTH_TOKEN: ${{ secrets.NUGET_TOKEN }}
-        working-directory: ./src
+          NUGET_API_KEY: ${{ steps.login.outputs.NUGET_API_KEY }}
diff --git a/src/ZoneTree.FullTextSearch.UnitTests/HashedSearchEngineTests.cs b/src/ZoneTree.FullTextSearch.UnitTests/HashedSearchEngineTests.cs
index 9cd767a..7c9ab4b 100644
--- a/src/ZoneTree.FullTextSearch.UnitTests/HashedSearchEngineTests.cs
+++ b/src/ZoneTree.FullTextSearch.UnitTests/HashedSearchEngineTests.cs
@@ -27,13 +27,14 @@ public void AddRecord_ShouldAddRecordToIndex()
     Assert.That(searchResult, Contains.Item(record));
   }
 
-  [Test]
-  public void DeleteRecord_ShouldRemoveRecordFromIndex()
+  [TestCase(false)]
+  [TestCase(true)]
+  public void DeleteRecord_ShouldRemoveRecordFromIndex(bool useSecondaryIndex)
   {
-    var dataPath = "data/DeleteRecord_ShouldRemoveRecordFromIndex";
+    var dataPath = $"data/DeleteRecord_ShouldRemoveRecordFromIndex_{useSecondaryIndex}";
     if (Directory.Exists(dataPath))
       Directory.Delete(dataPath, true);
-    using var searchEngine = new HashedSearchEngine<int>(dataPath);
+    using var searchEngine = new HashedSearchEngine<int>(dataPath, useSecondaryIndex: useSecondaryIndex);
 
     // Arrange
     int record = 1;
diff --git a/src/ZoneTree.FullTextSearch/Directory.Build.props b/src/ZoneTree.FullTextSearch/Directory.Build.props
index 8590155..8e1a56b 100644
--- a/src/ZoneTree.FullTextSearch/Directory.Build.props
+++ b/src/ZoneTree.FullTextSearch/Directory.Build.props
@@ -5,8 +5,8 @@
     <Authors>Ahmed Yasin Koculu</Authors>
     <PackageId>ZoneTree.FullTextSearch</PackageId>
     <Title>ZoneTree.FullTextSearch</Title>
-    <ProductVersion>1.0.9.0</ProductVersion>
-    <Version>1.0.9.0</Version>
+    <ProductVersion>1.1.0.0</ProductVersion>
+    <Version>1.1.0.0</Version>
     <Authors>Ahmed Yasin Koculu</Authors>
     <AssemblyTitle>ZoneTree.FullTextSearch</AssemblyTitle>
     <Description>ZoneTree.FullTextSearch is an open-source library that extends ZoneTree to provide efficient full-text search capabilities. It offers a fast, embedded search engine suitable for applications that require high performance and do not rely on external databases.</Description>
diff --git a/src/ZoneTree.FullTextSearch/Index/IndexOfTokenRecordPreviousToken.cs b/src/ZoneTree.FullTextSearch/Index/IndexOfTokenRecordPreviousToken.cs
index f858476..d53c6bd 100644
--- a/src/ZoneTree.FullTextSearch/Index/IndexOfTokenRecordPreviousToken.cs
+++ b/src/ZoneTree.FullTextSearch/Index/IndexOfTokenRecordPreviousToken.cs
@@ -108,8 +108,11 @@ public IndexOfTokenRecordPreviousToken(
     if (tokenComparer == null)
       tokenComparer = ComponentsForKnownTypes.GetComparer<TToken>();
     var fileStreamProvider = advancedOptions?.FileStreamProvider;
+    // Composite keys support custom comparers, so no compatible Bloom-filter hasher can be assumed.
+    // Advanced factory configurators can supply a hasher and enable the filter explicitly.
     var factory1 = new ZoneTreeFactory<CompositeKeyOfTokenRecordPrevious<TRecord, TToken>, byte>(fileStreamProvider)
         .SetDataDirectory($"{dataPath}/index1")
+        .SetMutableSegmentBloomFilterBitsPerItem(0)
         .SetIsDeletedDelegate(
             (in CompositeKeyOfTokenRecordPrevious<TRecord, TToken> key, in byte value) => value == 1)
         .SetMarkValueDeletedDelegate((ref byte x) => x = 1)
@@ -134,6 +137,7 @@ public IndexOfTokenRecordPreviousToken(
     {
       var factory2 = new ZoneTreeFactory<CompositeKeyOfRecordToken<TRecord, TToken>, byte>(fileStreamProvider)
           .SetDataDirectory($"{dataPath}/index2")
+          .SetMutableSegmentBloomFilterBitsPerItem(0)
           .SetIsDeletedDelegate(
               (in CompositeKeyOfRecordToken<TRecord, TToken> key, in byte value) => value == 1)
           .SetMarkValueDeletedDelegate((ref byte x) => x = 1)
diff --git a/src/ZoneTree.FullTextSearch/ZoneTree.FullTextSearch.csproj b/src/ZoneTree.FullTextSearch/ZoneTree.FullTextSearch.csproj
index f70ea4f..5339258 100644
--- a/src/ZoneTree.FullTextSearch/ZoneTree.FullTextSearch.csproj
+++ b/src/ZoneTree.FullTextSearch/ZoneTree.FullTextSearch.csproj
@@ -34,11 +34,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.300">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="ZoneTree" Version="1.8.7" />
+    <PackageReference Include="ZoneTree" Version="2.0.1" />
   </ItemGroup>
 
   <ItemGroup>