diff --git a/ChangeLog b/ChangeLog
index 04c2fc9..842b7f1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-10-19  Natalia Portillo  <claunia@claunia.com>
+
+	* DiscImageChef.Helpers.csproj:
+	  Upgrade .NET version to 4.0.
+
 2015-10-18  Natalia Portillo  <claunia@claunia.com>
 
 	* PrintHex.cs:
diff --git a/DiscImageChef.Helpers.csproj b/DiscImageChef.Helpers.csproj
index 0e68a7c..fece7f7 100644
--- a/DiscImageChef.Helpers.csproj
+++ b/DiscImageChef.Helpers.csproj
@@ -10,7 +10,6 @@
     <RootNamespace>DiscImageChef.Helpers</RootNamespace>
     <AssemblyName>DiscImageChef.Helpers</AssemblyName>
     <ReleaseVersion>2.2</ReleaseVersion>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>