diff --git a/packages.cake b/packages.cake
index 07c77f64fd..64d512c0a7 100644
--- a/packages.cake
+++ b/packages.cake
@@ -150,12 +150,12 @@ public class Packages
         };
 
         var coreLibrariesFiles = coreLibraries.Select((lib) => {
-            return (FilePath)context.File(lib[0] + lib[1] + "/bin/" + parameters.DirSuffix + "/netstandard1.1/" + lib[1] + lib[2]);
+            return (FilePath)context.File(lib[0] + lib[1] + "/bin/" + parameters.DirSuffix + "/netstandard1.3/" + lib[1] + lib[2]);
         }).ToList();
 
         var coreLibrariesNuSpecContent = coreLibrariesFiles.Select((file) => {
             return new NuSpecContent { 
-                Source = file.FullPath, Target = "lib/netstandard1.1" 
+                Source = file.FullPath, Target = "lib/netstandard1.3" 
             };
         });
 
@@ -231,9 +231,9 @@ public class Packages
                 },
                 Files = new []
                 {
-                    new NuSpecContent { Source = "Avalonia.HtmlRenderer.dll", Target = "lib/netstandard1.1" }
+                    new NuSpecContent { Source = "Avalonia.HtmlRenderer.dll", Target = "lib/netstandard1.3" }
                 },
-                BasePath = context.Directory("./src/Avalonia.HtmlRenderer/bin/" + parameters.DirSuffix + "/netstandard1.1"),
+                BasePath = context.Directory("./src/Avalonia.HtmlRenderer/bin/" + parameters.DirSuffix + "/netstandard1.3"),
                 OutputDirectory = parameters.NugetRoot
             }
         };
@@ -347,7 +347,7 @@ public class Packages
                 Files = new []
                 {
                     new NuSpecContent { Source = "Avalonia.Win32/bin/" + parameters.DirSuffix + "/Avalonia.Win32.dll", Target = "lib/net45" },
-                    new NuSpecContent { Source = "Avalonia.Win32.NetStandard/bin/" + parameters.DirSuffix + "/netstandard1.1/Avalonia.Win32.dll", Target = "lib/netstandard1.1" }
+                    new NuSpecContent { Source = "Avalonia.Win32.NetStandard/bin/" + parameters.DirSuffix + "/netstandard1.3/Avalonia.Win32.dll", Target = "lib/netstandard1.3" }
                 },
                 BasePath = context.Directory("./src/Windows"),
                 OutputDirectory = parameters.NugetRoot
@@ -402,9 +402,9 @@ public class Packages
                 },
                 Files = new []
                 {
-                    new NuSpecContent { Source = "Avalonia.Gtk3.dll", Target = "lib/netstandard1.1" }
+                    new NuSpecContent { Source = "Avalonia.Gtk3.dll", Target = "lib/netstandard1.3" }
                 },
-                BasePath = context.Directory("./src/Gtk/Avalonia.Gtk3/bin/" + parameters.DirSuffix + "/netstandard1.1"),
+                BasePath = context.Directory("./src/Gtk/Avalonia.Gtk3/bin/" + parameters.DirSuffix + "/netstandard1.3"),
                 OutputDirectory = parameters.NugetRoot
             },
             ///////////////////////////////////////////////////////////////////////////////
diff --git a/src/Avalonia.Animation/Avalonia.Animation.csproj b/src/Avalonia.Animation/Avalonia.Animation.csproj
index f02ec2f31c..8f832dabcf 100644
--- a/src/Avalonia.Animation/Avalonia.Animation.csproj
+++ b/src/Avalonia.Animation/Avalonia.Animation.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Base/Avalonia.Base.csproj b/src/Avalonia.Base/Avalonia.Base.csproj
index cc458545e2..e0d12ce262 100644
--- a/src/Avalonia.Base/Avalonia.Base.csproj
+++ b/src/Avalonia.Base/Avalonia.Base.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Controls/Avalonia.Controls.csproj b/src/Avalonia.Controls/Avalonia.Controls.csproj
index 37f348340c..037546b186 100644
--- a/src/Avalonia.Controls/Avalonia.Controls.csproj
+++ b/src/Avalonia.Controls/Avalonia.Controls.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.HtmlRenderer/Avalonia.HtmlRenderer.csproj b/src/Avalonia.HtmlRenderer/Avalonia.HtmlRenderer.csproj
index b1fc7a4278..f715217e42 100644
--- a/src/Avalonia.HtmlRenderer/Avalonia.HtmlRenderer.csproj
+++ b/src/Avalonia.HtmlRenderer/Avalonia.HtmlRenderer.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <EnableDefaultCompileItems>False</EnableDefaultCompileItems>
     <EnableDefaultItems>False</EnableDefaultItems>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/Avalonia.Input/Avalonia.Input.csproj b/src/Avalonia.Input/Avalonia.Input.csproj
index e9e74e24fe..b5482ebce1 100644
--- a/src/Avalonia.Input/Avalonia.Input.csproj
+++ b/src/Avalonia.Input/Avalonia.Input.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Interactivity/Avalonia.Interactivity.csproj b/src/Avalonia.Interactivity/Avalonia.Interactivity.csproj
index ab9ab88a37..9d22de86b3 100644
--- a/src/Avalonia.Interactivity/Avalonia.Interactivity.csproj
+++ b/src/Avalonia.Interactivity/Avalonia.Interactivity.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Layout/Avalonia.Layout.csproj b/src/Avalonia.Layout/Avalonia.Layout.csproj
index 45a40d2fd4..d0260391d8 100644
--- a/src/Avalonia.Layout/Avalonia.Layout.csproj
+++ b/src/Avalonia.Layout/Avalonia.Layout.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Logging.Serilog/Avalonia.Logging.Serilog.csproj b/src/Avalonia.Logging.Serilog/Avalonia.Logging.Serilog.csproj
index 9aa81c19f9..508ede7f7d 100644
--- a/src/Avalonia.Logging.Serilog/Avalonia.Logging.Serilog.csproj
+++ b/src/Avalonia.Logging.Serilog/Avalonia.Logging.Serilog.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.ReactiveUI/Avalonia.ReactiveUI.csproj b/src/Avalonia.ReactiveUI/Avalonia.ReactiveUI.csproj
index 28522d8849..2d66b62eab 100644
--- a/src/Avalonia.ReactiveUI/Avalonia.ReactiveUI.csproj
+++ b/src/Avalonia.ReactiveUI/Avalonia.ReactiveUI.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <EnableDefaultCompileItems>False</EnableDefaultCompileItems>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
diff --git a/src/Avalonia.Styling/Avalonia.Styling.csproj b/src/Avalonia.Styling/Avalonia.Styling.csproj
index 5965645391..6bf37b522b 100644
--- a/src/Avalonia.Styling/Avalonia.Styling.csproj
+++ b/src/Avalonia.Styling/Avalonia.Styling.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
diff --git a/src/Avalonia.Visuals/Avalonia.Visuals.csproj b/src/Avalonia.Visuals/Avalonia.Visuals.csproj
index dd9a795937..127760d8ac 100644
--- a/src/Avalonia.Visuals/Avalonia.Visuals.csproj
+++ b/src/Avalonia.Visuals/Avalonia.Visuals.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <RootNamespace>Avalonia</RootNamespace>
   </PropertyGroup>
diff --git a/src/Gtk/Avalonia.Gtk3/Avalonia.Gtk3.csproj b/src/Gtk/Avalonia.Gtk3/Avalonia.Gtk3.csproj
index 1874d92f4d..d292e99b30 100644
--- a/src/Gtk/Avalonia.Gtk3/Avalonia.Gtk3.csproj
+++ b/src/Gtk/Avalonia.Gtk3/Avalonia.Gtk3.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <EnableDefaultCompileItems>False</EnableDefaultCompileItems>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
diff --git a/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj b/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
index 831c0384d3..3d16196b70 100644
--- a/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
+++ b/src/Markup/Avalonia.Markup/Avalonia.Markup.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
diff --git a/src/Windows/Avalonia.Win32.NetStandard/Avalonia.Win32.NetStandard.csproj b/src/Windows/Avalonia.Win32.NetStandard/Avalonia.Win32.NetStandard.csproj
index 2c6efb56e2..cedf3c4213 100644
--- a/src/Windows/Avalonia.Win32.NetStandard/Avalonia.Win32.NetStandard.csproj
+++ b/src/Windows/Avalonia.Win32.NetStandard/Avalonia.Win32.NetStandard.csproj
@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>netstandard1.1</TargetFramework>
+    <TargetFramework>netstandard1.3</TargetFramework>
     <EnableDefaultCompileItems>False</EnableDefaultCompileItems>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <RootNamespace>Avalonia.Win32</RootNamespace>