diff --git a/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj b/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
index 8c6239c..698cd46 100644
--- a/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
+++ b/Source/VersOne.Epub.ConsoleDemo/VersOne.Epub.ConsoleDemo.csproj
@@ -5,7 +5,7 @@
         <RuntimeIdentifiers>win10-x64</RuntimeIdentifiers>
         <Authors>vers</Authors>
         <Copyright>vers, 2015-2022</Copyright>
-        <Version>3.3.0</Version>
+        <Version>3.3.1</Version>
 		<EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
 		<DocumentationFile></DocumentationFile>
 		<GenerateDocumentationFile>True</GenerateDocumentationFile>
diff --git a/Source/VersOne.Epub.Test/VersOne.Epub.Test.csproj b/Source/VersOne.Epub.Test/VersOne.Epub.Test.csproj
index d3b92a3..7cfafcf 100644
--- a/Source/VersOne.Epub.Test/VersOne.Epub.Test.csproj
+++ b/Source/VersOne.Epub.Test/VersOne.Epub.Test.csproj
@@ -3,7 +3,7 @@
         <TargetFramework>net7.0</TargetFramework>
         <Authors>vers</Authors>
         <Copyright>vers, 2015-2022</Copyright>
-        <Version>3.3.0</Version>
+        <Version>3.3.1</Version>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
diff --git a/Source/VersOne.Epub.WpfDemo/Properties/AssemblyInfo.cs b/Source/VersOne.Epub.WpfDemo/Properties/AssemblyInfo.cs
index d792241..fbc3261 100644
--- a/Source/VersOne.Epub.WpfDemo/Properties/AssemblyInfo.cs
+++ b/Source/VersOne.Epub.WpfDemo/Properties/AssemblyInfo.cs
@@ -5,7 +5,7 @@
 [assembly: AssemblyTitle("VersOne.Epub.WpfDemo")]
 [assembly: AssemblyDescription("WPF demo application for VersOne.Epub library")]
 [assembly: AssemblyCopyright("Unlicense <http://unlicense.org>")]
-[assembly: AssemblyVersion("3.3.0")]
-[assembly: AssemblyFileVersion("3.3.0")]
+[assembly: AssemblyVersion("3.3.1")]
+[assembly: AssemblyFileVersion("3.3.1")]
 [assembly: ThemeInfo(ResourceDictionaryLocation.None, ResourceDictionaryLocation.SourceAssembly)]
 [assembly: ComVisible(false)]
diff --git a/Source/VersOne.Epub/VersOne.Epub.csproj b/Source/VersOne.Epub/VersOne.Epub.csproj
index 60282cb..f638bcd 100644
--- a/Source/VersOne.Epub/VersOne.Epub.csproj
+++ b/Source/VersOne.Epub/VersOne.Epub.csproj
@@ -3,7 +3,7 @@
         <TargetFrameworks>net46;netstandard1.3;netstandard2.0</TargetFrameworks>
         <Authors>vers</Authors>
         <Copyright>vers, 2015-2022</Copyright>
-        <Version>3.3.0</Version>
+        <Version>3.3.1</Version>
         <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
 		<EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
 		<DocumentationFile></DocumentationFile>
diff --git a/Source/VersOne.Epub/VersOne.Epub.nuspec b/Source/VersOne.Epub/VersOne.Epub.nuspec
index b841465..c0811e9 100644
--- a/Source/VersOne.Epub/VersOne.Epub.nuspec
+++ b/Source/VersOne.Epub/VersOne.Epub.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
     <metadata>
         <id>VersOne.Epub</id>
-        <version>3.3.0</version>
+        <version>3.3.1</version>
         <title>EPUB reader</title>
         <description>.NET library for reading EPUB files</description>
         <authors>vers</authors>