diff --git a/Directory.Build.targets b/Directory.Build.targets
index c1b4d82a8..4b47e0506 100644
--- a/Directory.Build.targets
+++ b/Directory.Build.targets
@@ -8,10 +8,10 @@
   <Choose>
     <When Condition="$(RoslynVersion) == 'roslyn3.8'">
       <ItemGroup >
-        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="3.8.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.8.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="3.11.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="3.11.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="3.11.0" />
       </ItemGroup>
       <PropertyGroup>
         <DefineConstants>$(DefineConstants);ROSLYN_3_8</DefineConstants>
@@ -22,10 +22,10 @@
 
     <When Condition="$(RoslynVersion) == 'roslyn4.2'">
       <ItemGroup>
-        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.2.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.2.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.2.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
       </ItemGroup>
       <PropertyGroup>
         <DefineConstants>$(DefineConstants);ROSLYN_4_2;ROSLYN_4_2_OR_GREATER</DefineConstants>
@@ -36,10 +36,10 @@
 
     <When Condition="$(RoslynVersion) == 'roslyn4.4'">
       <ItemGroup>
-        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.3" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.4.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.4.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.4.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
       </ItemGroup>
       <PropertyGroup>
         <DefineConstants>$(DefineConstants);ROSLYN_4_4;ROSLYN_4_2_OR_GREATER;ROSLYN_4_4_OR_GREATER</DefineConstants>
@@ -51,9 +51,9 @@
     <When Condition="$(RoslynVersion) == 'roslyn4.6'">
       <ItemGroup>
         <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.6.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.6.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.6.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
       </ItemGroup>
       <PropertyGroup>
         <DefineConstants>$(DefineConstants);ROSLYN_4_6;ROSLYN_4_2_OR_GREATER;ROSLYN_4_4_OR_GREATER;ROSLYN_4_6_OR_GREATER</DefineConstants>
@@ -65,9 +65,9 @@
     <When Condition="$(RoslynVersion) == 'roslyn4.8'">
       <ItemGroup>
         <PackageReference Update="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.8.0" />
-        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.9.2" />
+        <PackageReference Update="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.9.2" />
       </ItemGroup>
       <PropertyGroup>
         <DefineConstants>$(DefineConstants);ROSLYN_4_8;ROSLYN_4_2_OR_GREATER;ROSLYN_4_4_OR_GREATER;ROSLYN_4_6_OR_GREATER;ROSLYN_4_8_OR_GREATER</DefineConstants>