diff --git a/src/Noted/Core/ExtractWorkflow.cs b/src/Noted/Core/ExtractWorkflow.cs
index a8a7be2..9037a65 100644
--- a/src/Noted/Core/ExtractWorkflow.cs
+++ b/src/Noted/Core/ExtractWorkflow.cs
@@ -123,7 +123,7 @@ private IEnumerable<string> EnumerateDocuments(string sourcePath, IEnumerable<st
                 return this.fileSystem.GetFiles(sourcePath, supportedExtensions);
             }
 
-            return new[] { sourcePath };
+            return [sourcePath];
         }
 
         private async Task ParseAnnotationsInDocument(Configuration configuration, DocumentReference docRef, IDocumentReader reader, List<Annotation> annotations)
diff --git a/src/Noted/Core/Models/Document.cs b/src/Noted/Core/Models/Document.cs
index 6fd6eab..57b2cd6 100644
--- a/src/Noted/Core/Models/Document.cs
+++ b/src/Noted/Core/Models/Document.cs
@@ -10,8 +10,8 @@ public class Document : DocumentReference
     {
         public Document()
         {
-            this.Annotations = new List<Annotation>();
-            this.Sections = new List<DocumentSection>();
+            this.Annotations = [];
+            this.Sections = [];
         }
 
         public string? Subject { get; set; }
diff --git a/src/Noted/Extensions/Libraries/Kindle/ClippingAnnotationProvider.cs b/src/Noted/Extensions/Libraries/Kindle/ClippingAnnotationProvider.cs
index f7bd977..6ee1367 100644
--- a/src/Noted/Extensions/Libraries/Kindle/ClippingAnnotationProvider.cs
+++ b/src/Noted/Extensions/Libraries/Kindle/ClippingAnnotationProvider.cs
@@ -29,7 +29,7 @@ public IEnumerable<Annotation> GetAnnotations(string sourcePath)
         {
             if (!this.IsAvailable(sourcePath))
             {
-                return Enumerable.Empty<Annotation>();
+                return [];
             }
 
             var annotationFile = Path.Combine(sourcePath, ClippingsFile);
diff --git a/src/Noted/Extensions/Readers/EpubReader.cs b/src/Noted/Extensions/Readers/EpubReader.cs
index 05af349..f1ef527 100644
--- a/src/Noted/Extensions/Readers/EpubReader.cs
+++ b/src/Noted/Extensions/Readers/EpubReader.cs
@@ -21,7 +21,7 @@ public class EpubReader(ILogger logger) : IDocumentReader
     {
         private readonly ILogger logger = logger;
 
-        public List<string> SupportedExtensions => new() { "epub" };
+        public List<string> SupportedExtensions => ["epub"];
 
         public async Task<DocumentReference> GetMetadata(Stream stream)
         {
diff --git a/src/Noted/Extensions/Readers/KfxReader.cs b/src/Noted/Extensions/Readers/KfxReader.cs
index 635c2d7..d43b8de 100644
--- a/src/Noted/Extensions/Readers/KfxReader.cs
+++ b/src/Noted/Extensions/Readers/KfxReader.cs
@@ -17,7 +17,7 @@ public class KfxReader(ILogger logger) : IDocumentReader
     {
         private readonly ILogger logger = logger;
 
-        public List<string> SupportedExtensions => new() { "kfx" };
+        public List<string> SupportedExtensions => ["kfx"];
 
         public Task<DocumentReference> GetMetadata(Stream stream)
         {
diff --git a/src/Noted/Extensions/Readers/MobiReader.cs b/src/Noted/Extensions/Readers/MobiReader.cs
index d93f176..4d39bf2 100644
--- a/src/Noted/Extensions/Readers/MobiReader.cs
+++ b/src/Noted/Extensions/Readers/MobiReader.cs
@@ -20,7 +20,7 @@ public class MobiReader(ILogger logger) : IDocumentReader
         private readonly ILogger logger = logger;
 
         // TODO add support for azw3
-        public List<string> SupportedExtensions => new() { "mobi" };
+        public List<string> SupportedExtensions => ["mobi"];
 
         public Task<DocumentReference> GetMetadata(Stream stream)
         {
diff --git a/src/Noted/Extensions/Readers/PdfReader.cs b/src/Noted/Extensions/Readers/PdfReader.cs
index 4e6df56..793d651 100644
--- a/src/Noted/Extensions/Readers/PdfReader.cs
+++ b/src/Noted/Extensions/Readers/PdfReader.cs
@@ -32,15 +32,15 @@ public partial class PdfReader(ILogger logger) : IDocumentReader
         private readonly ILogger logger = logger;
         private readonly IWordExtractor wordExtractor = new NearestNeighbourWordExtractor(GetWordExtractOptions());
 
-        public List<string> SupportedExtensions => new() { "pdf" };
+        public List<string> SupportedExtensions => ["pdf"];
 
         public Task<DocumentReference> GetMetadata(Stream stream)
         {
             var doc = PdfDocument.Open(stream);
             var docReference = new DocumentReference
             {
-                Title = doc.Information.Title,
-                Author = doc.Information.Author,
+                Title = doc.Information.Title ?? "Title unknown",
+                Author = doc.Information.Author ?? "Author unknown",
                 SupportsEmbeddedAnnotation = true
             };
 
@@ -62,8 +62,8 @@ public Task<Document> Read(
             var doc = PdfDocument.Open(stream);
             var docReference = new DocumentReference
             {
-                Title = doc.Information.Title,
-                Author = doc.Information.Author
+                Title = doc.Information.Title ?? "Title unknown",
+                Author = doc.Information.Author ?? "Author unknown",
             };
 
             // TODO add support for external annotations in pdf
@@ -73,7 +73,7 @@ public Task<Document> Read(
                 var words = this.wordExtractor
                     .GetWords(letters)
                     .ToList();
-                foreach (var annotation in page.ExperimentalAccess.GetAnnotations().Where(a => a.Type.Equals(AnnotationType.Highlight)))
+                foreach (var annotation in page.GetAnnotations().Where(a => a.Type.Equals(AnnotationType.Highlight)))
                 {
                     // Find highlighted words
                     var highlightedWords = new StringBuilder();
diff --git a/src/Noted/Infra/ConfigurationProvider.cs b/src/Noted/Infra/ConfigurationProvider.cs
index f87b525..33298a3 100644
--- a/src/Noted/Infra/ConfigurationProvider.cs
+++ b/src/Noted/Infra/ConfigurationProvider.cs
@@ -23,9 +23,9 @@ public class ConfigurationProvider
 
         public ConfigurationProvider()
         {
-            this.annotationReaders = _ => Enumerable.Empty<IAnnotationProvider>();
-            this.documentReaders = _ => Enumerable.Empty<IDocumentReader>();
-            this.documentWriters = _ => Enumerable.Empty<IDocumentWriter>();
+            this.annotationReaders = _ => [];
+            this.documentReaders = _ => [];
+            this.documentWriters = _ => [];
             this.commandLineConfig = new Configuration();
         }
 
diff --git a/src/Noted/Noted.csproj b/src/Noted/Noted.csproj
index f428cb7..fa9210c 100644
--- a/src/Noted/Noted.csproj
+++ b/src/Noted/Noted.csproj
@@ -16,7 +16,7 @@
     <PackageReference Include="JTForks.MiscUtil" Version="1.285.0" />
     <PackageReference Include="Markdig" Version="0.42.0" />
     <PackageReference Include="nlua" Version="1.7.5" />
-    <PackageReference Include="PdfPig" Version="0.1.8" />
+    <PackageReference Include="PdfPig" Version="0.1.11" />
     <PackageReference Include="Spectre.Console" Version="0.50.0" />
     <PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageReference Include="System.CommandLine.NamingConventionBinder" Version="2.0.0-beta4.22272.1" />
diff --git a/src/Noted/Platform/IO/FileSystem.cs b/src/Noted/Platform/IO/FileSystem.cs
index ef16f32..926e070 100644
--- a/src/Noted/Platform/IO/FileSystem.cs
+++ b/src/Noted/Platform/IO/FileSystem.cs
@@ -35,7 +35,7 @@ public IEnumerable<string> GetFiles(string path, string searchPattern)
         {
             if (!this.IsDirectory(path))
             {
-                return new[] { path };
+                return [path];
             }
 
             var extRegex = new Regex(searchPattern, RegexOptions.Compiled);
diff --git a/src/Noted/Program.cs b/src/Noted/Program.cs
index 498690d..45f8a5a 100644
--- a/src/Noted/Program.cs
+++ b/src/Noted/Program.cs
@@ -20,22 +20,23 @@ public static class Program
         public static async Task<int> Main(string[] args)
         {
             var configurationProvider = new ConfigurationProvider()
-                .WithAnnotationProviders(config => new List<IAnnotationProvider>
-                {
+                .WithAnnotationProviders(config =>
+                [
                     new ClippingAnnotationProvider(config.FileSystem, config.Logger),
                     new KOReaderAnnotationProvider(config.FileSystem, config.Logger)
-                })
-                .WithReaders(config => new List<IDocumentReader>
-                {
+                ])
+                .WithReaders(config =>
+                [
+
                     // new KfxReader(config.Logger),
                     new EpubReader(config.Logger),
                     new PdfReader(config.Logger),
                     new MobiReader(config.Logger)
-                })
-                .WithWriters(config => new List<IDocumentWriter>
-                {
+                ])
+                .WithWriters(config =>
+                [
                     new MarkdownWriter(config.Logger)
-                });
+                ]);
 
             var workflows = new Dictionary<string, Func<Configuration, IWorkflow>>
                 { { "extract", config => new ExtractWorkflow(config.FileSystem, config.Logger) } };
diff --git a/test/Noted.Tests/Core/Models/LineLocationTests.cs b/test/Noted.Tests/Core/Models/LineLocationTests.cs
index ef74ca0..500f7cf 100644
--- a/test/Noted.Tests/Core/Models/LineLocationTests.cs
+++ b/test/Noted.Tests/Core/Models/LineLocationTests.cs
@@ -13,7 +13,7 @@ public class LineLocationTests
         [TestMethod]
         public void LineLocationCompareShouldThrowExceptionForInvalidObject()
         {
-            Assert.ThrowsException<ArgumentException>(() =>
+            Assert.ThrowsExactly<ArgumentException>(() =>
             {
                 new LineLocation(1, 2).CompareTo(string.Empty);
             });
diff --git a/test/Noted.Tests/Extensions/Libraries/Kindle/ClippingParserTests.cs b/test/Noted.Tests/Extensions/Libraries/Kindle/ClippingParserTests.cs
index d671c1b..2f08933 100644
--- a/test/Noted.Tests/Extensions/Libraries/Kindle/ClippingParserTests.cs
+++ b/test/Noted.Tests/Extensions/Libraries/Kindle/ClippingParserTests.cs
@@ -30,7 +30,7 @@ public void ParseShouldThrowIfStreamIsClosed()
         {
             this.stream.Close();
 
-            Assert.ThrowsException<ArgumentException>(() => ClippingParser.Parse(this.stream).ToList());
+            Assert.ThrowsExactly<ArgumentException>(() => ClippingParser.Parse(this.stream).ToList());
         }
 
         [TestMethod]
@@ -98,7 +98,7 @@ public void ParseBookInfoShouldThrowIfBookInformationIsMalformed()
         {
             var line = "\ufeffSample Book";
 
-            Assert.ThrowsException<InvalidClippingException>(() => this.clipping.ParseBookInfo(line));
+            Assert.ThrowsExactly<InvalidClippingException>(() => this.clipping.ParseBookInfo(line));
         }
 
         [TestMethod]
@@ -123,7 +123,7 @@ public void ParseBookInfoShouldStoreBookNameAndAuthorInClipping(string line, str
         [DataRow("- Your Highlight on page 12 | Location 100-120 | Added on Thursday, August, 2019 10:17:58 AM")]
         public void ParseAnnotationInfoShouldThrowIfAnnotationInfoIsMissingOrInvalid(string line)
         {
-            Assert.ThrowsException<InvalidClippingException>(
+            Assert.ThrowsExactly<InvalidClippingException>(
                 () => this.clipping.ParseAnnotationInfo(line));
         }
 
@@ -144,7 +144,7 @@ public void ParseAnnotationInfoShouldCaptureAnnotationMetadata(ClippingType type
         [TestMethod]
         public void SkipBlankLineShouldThrowIfNonBlankLineIsProvided()
         {
-            Assert.ThrowsException<InvalidClippingException>(() =>
+            Assert.ThrowsExactly<InvalidClippingException>(() =>
                 this.clipping.SkipBlankLine("xx"));
         }
 
diff --git a/test/Noted.Tests/Extensions/Readers/Common/HtmlContextParserTests.cs b/test/Noted.Tests/Extensions/Readers/Common/HtmlContextParserTests.cs
index b32a0ed..227c3b0 100644
--- a/test/Noted.Tests/Extensions/Readers/Common/HtmlContextParserTests.cs
+++ b/test/Noted.Tests/Extensions/Readers/Common/HtmlContextParserTests.cs
@@ -55,7 +55,7 @@ public async Task HtmlContextParserShouldAddContextToAnnotations()
             var (a, _, _) = await HtmlContextParser.AddContext(
                 this.sampleContentStream,
                 SampleSections,
-                new[] { (new LineLocation(1, 2), this.annotations[0]) });
+                [(new LineLocation(1, 2), this.annotations[0])]);
 
             Assert.AreEqual(1, a.Count);
             Assert.IsTrue(a[0].Context.Content.StartsWith("Never"));
@@ -68,7 +68,7 @@ public async Task HtmlContextParserShouldAddContextWhenAnnotationSpansOverElemen
             var (a, _, _) = await HtmlContextParser.AddContext(
                 this.sampleContentStream,
                 SampleSections,
-                new[] { (new LineLocation(1, 2), this.annotations[1]) });
+                [(new LineLocation(1, 2), this.annotations[1])]);
 
             Assert.AreEqual(1, a.Count);
             Assert.IsTrue(a[0].Context.Content.StartsWith("Thus, "));
diff --git a/test/Noted.Tests/Extensions/Readers/Common/HtmlSectionParserTests.cs b/test/Noted.Tests/Extensions/Readers/Common/HtmlSectionParserTests.cs
index dcf1f18..8a10c61 100644
--- a/test/Noted.Tests/Extensions/Readers/Common/HtmlSectionParserTests.cs
+++ b/test/Noted.Tests/Extensions/Readers/Common/HtmlSectionParserTests.cs
@@ -91,12 +91,12 @@ public async Task ParseShouldCreateDocumentSectionRelationships()
             await using var stream = new MemoryStream(Encoding.UTF8.GetBytes(TocFragment));
             var toc = await HtmlSectionParser.Parse(stream).ToListAsync();
 
-            Assert.AreEqual(null, toc[3].Parent);     // 1 -> null
+            Assert.IsNull(toc[3].Parent);     // 1 -> null
             Assert.AreEqual("Section 1.1", toc[4].Title);
             Assert.AreEqual(toc[3], toc[4].Parent);   // 1.1 -> 1
             Assert.AreEqual(toc[4], toc[5].Parent);   // 1.1.1 -> 1.1
             Assert.AreEqual(toc[3], toc[6].Parent);   // 1.2 -> 1
-            Assert.AreEqual(null, toc[7].Parent);     // 2 -> null
+            Assert.IsNull(toc[7].Parent);     // 2 -> null
         }
     }
 }
\ No newline at end of file
diff --git a/test/Noted.Tests/Extensions/Readers/PdfReaderTests.cs b/test/Noted.Tests/Extensions/Readers/PdfReaderTests.cs
index 92ca271..c739e21 100644
--- a/test/Noted.Tests/Extensions/Readers/PdfReaderTests.cs
+++ b/test/Noted.Tests/Extensions/Readers/PdfReaderTests.cs
@@ -45,7 +45,7 @@ public void PdfReaderShouldSupportOnlyPdfFileExtension()
         [TestMethod]
         public void PdfReaderShouldThrowIfStreamIsInvalid()
         {
-            Assert.ThrowsException<ArgumentNullException>(() =>
+            Assert.ThrowsExactly<ArgumentNullException>(() =>
                 this.reader.Read(null, new ReaderOptions(), this.emptyExternalAnnotations));
         }
 
@@ -55,7 +55,7 @@ public void PdfReaderShouldThrowIfStreamIsUnreadable()
             using var stream = new MemoryStream();
             stream.Close();
 
-            Assert.ThrowsException<ArgumentException>(() =>
+            Assert.ThrowsExactly<ArgumentException>(() =>
                 this.reader.Read(stream, new ReaderOptions(), this.emptyExternalAnnotations));
         }
 
diff --git a/test/Noted.Tests/Extensions/Writers/MarkdownWriterTests.cs b/test/Noted.Tests/Extensions/Writers/MarkdownWriterTests.cs
index bbf8669..20470df 100644
--- a/test/Noted.Tests/Extensions/Writers/MarkdownWriterTests.cs
+++ b/test/Noted.Tests/Extensions/Writers/MarkdownWriterTests.cs
@@ -24,15 +24,15 @@ public async Task MarkdownWriterShouldNotCrashForDocumentWithoutSections()
         var stream = new MemoryStream();
         var writer = new MarkdownWriter(new NullLogger());
 
-        document.Annotations = new List<Annotation>
-        {
+        document.Annotations =
+        [
             new(
                 "dummy annotation",
                 document,
                 AnnotationType.Highlight,
                 new AnnotationContext(),
                 DateTime.Now)
-        };
+        ];
 
         await writer.Write(config, document, stream);
     }
diff --git a/test/Noted.Tests/Noted.Tests.csproj b/test/Noted.Tests/Noted.Tests.csproj
index 02aa79c..1a57319 100644
--- a/test/Noted.Tests/Noted.Tests.csproj
+++ b/test/Noted.Tests/Noted.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="PdfPig" Version="0.1.8" />
+    <PackageReference Include="PdfPig" Version="0.1.11" />
     <PackageReference Include="Ephemerality.Unpack" Version="0.0.5" />
 
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />