diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index b259899..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,8 +0,0 @@
-language: csharp
-dist: trusty
-mono: none
-dotnet: 2.0.0
-install:
-- dotnet restore
-script:
-- dotnet build
\ No newline at end of file
diff --git a/README.md b/README.md
index 8bd7db1..35a6de3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 iTextSharp.LGPLv2.Core
 ======================
-[![Build Status](https://travis-ci.org/VahidN/iTextSharp.LGPLv2.Core.svg?branch=master)](https://travis-ci.org/VahidN/iTextSharp.LGPLv2.Core)
+[![Build status](https://ci.appveyor.com/api/projects/status/47yloyod8axcqnyx?svg=true)](https://ci.appveyor.com/project/VahidN/itextsharp-lgplv2-core)
 
 `iTextSharp.LGPLv2.Core` is an **unofficial** port of the last [LGPL version](http://www.gnu.org/licenses/old-licenses/lgpl-2.0-standalone.html) of the [iTextSharp (V4.1.6)](https://github.com/itextsharper/iTextSharp-4.1.6) to .NET Core.
 
diff --git a/src/iTextSharp.LGPLv2.Core.FunctionalTests/iTextSharp.LGPLv2.Core.FunctionalTests.csproj b/src/iTextSharp.LGPLv2.Core.FunctionalTests/iTextSharp.LGPLv2.Core.FunctionalTests.csproj
index b2c0389..eabff40 100644
--- a/src/iTextSharp.LGPLv2.Core.FunctionalTests/iTextSharp.LGPLv2.Core.FunctionalTests.csproj
+++ b/src/iTextSharp.LGPLv2.Core.FunctionalTests/iTextSharp.LGPLv2.Core.FunctionalTests.csproj
@@ -15,9 +15,9 @@
     <ProjectReference Include="..\iTextSharp.LGPLv2.Core\iTextSharp.LGPLv2.Core.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
-    <PackageReference Include="MSTest.TestAdapter" Version="1.3.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.3.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="1.3.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="1.3.2" />
   </ItemGroup>
   <ItemGroup>
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
diff --git a/src/iTextSharp.LGPLv2.Core/iTextSharp.LGPLv2.Core.csproj b/src/iTextSharp.LGPLv2.Core/iTextSharp.LGPLv2.Core.csproj
index 9aaf7db..f3804ca 100644
--- a/src/iTextSharp.LGPLv2.Core/iTextSharp.LGPLv2.Core.csproj
+++ b/src/iTextSharp.LGPLv2.Core/iTextSharp.LGPLv2.Core.csproj
@@ -1,11 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description> iTextSharp.LGPLv2.Core is an unofficial port of the last LGPL version of the iTextSharp (V4.1.6) to .NET Core.</Description>
-    <VersionPrefix>1.4.4</VersionPrefix>
+    <VersionPrefix>1.4.5</VersionPrefix>
     <LangVersion>latest</LangVersion>
     <Authors>Vahid Nasiri</Authors>
-    <TargetFrameworks>net40;netstandard1.3;netstandard2.0</TargetFrameworks>
-    <TargetFrameworks Condition="'$(OS)' != 'Windows_NT'">netstandard1.3</TargetFrameworks>
+    <TargetFrameworks>net40;netstandard1.3;netstandard2.0</TargetFrameworks>    
     <NoWarn>$(NoWarn);1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <AssemblyName>iTextSharp.LGPLv2.Core</AssemblyName>
@@ -29,10 +28,10 @@
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.3' ">
     <PackageReference Include="CoreCompat.System.Drawing" Version="1.0.0-beta006" />
-    <PackageReference Include="Portable.BouncyCastle" Version="1.8.2" />
+    <PackageReference Include="Portable.BouncyCastle" Version="1.8.4" />
     <PackageReference Include="System.Collections.NonGeneric" Version="4.3.0" />
     <PackageReference Include="System.Net.Requests" Version="4.3.0" />
-    <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.0" />
+    <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.1" />
     <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
     <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
     <PackageReference Include="System.Xml.ReaderWriter" Version="4.3.1" />
@@ -43,11 +42,11 @@
     <DefineConstants>NETSTANDARD1_3</DefineConstants>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">
-    <PackageReference Include="System.Drawing.Common" Version="4.5.0" />
-    <PackageReference Include="Portable.BouncyCastle" Version="1.8.2" />
+    <PackageReference Include="System.Drawing.Common" Version="4.5.1" />
+    <PackageReference Include="Portable.BouncyCastle" Version="1.8.4" />
     <PackageReference Include="System.Collections.NonGeneric" Version="4.3.0" />
     <PackageReference Include="System.Net.Requests" Version="4.3.0" />
-    <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.0" />
+    <PackageReference Include="System.Reflection.TypeExtensions" Version="4.5.1" />
     <PackageReference Include="System.Runtime.Loader" Version="4.3.0" />
     <PackageReference Include="System.Security.Cryptography.Algorithms" Version="4.3.1" />
     <PackageReference Include="System.Xml.ReaderWriter" Version="4.3.1" />
@@ -58,7 +57,7 @@
     <DefineConstants>NETSTANDARD2_0</DefineConstants>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFramework)' == 'net40' ">
-    <PackageReference Include="Portable.BouncyCastle" Version="1.8.2" />
+    <PackageReference Include="Portable.BouncyCastle" Version="1.8.4" />
   </ItemGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'net40'">
     <DefineConstants>NET40</DefineConstants>