diff --git a/src/Dotnet.Script.Core/Dotnet.Script.Core.csproj b/src/Dotnet.Script.Core/Dotnet.Script.Core.csproj
index 0e334e8b..973aae25 100644
--- a/src/Dotnet.Script.Core/Dotnet.Script.Core.csproj
+++ b/src/Dotnet.Script.Core/Dotnet.Script.Core.csproj
@@ -23,7 +23,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.3.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.4.0" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.2" />
     <PackageReference Include="ReadLine" Version="2.0.1" />
     <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
diff --git a/src/Dotnet.Script.DependencyModel.Nuget/Dotnet.Script.DependencyModel.NuGet.csproj b/src/Dotnet.Script.DependencyModel.Nuget/Dotnet.Script.DependencyModel.NuGet.csproj
index 622faedc..c0b4bee8 100644
--- a/src/Dotnet.Script.DependencyModel.Nuget/Dotnet.Script.DependencyModel.NuGet.csproj
+++ b/src/Dotnet.Script.DependencyModel.Nuget/Dotnet.Script.DependencyModel.NuGet.csproj
@@ -14,6 +14,6 @@
     <Company>dotnet-script</Company>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.3.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.4.0" />
   </ItemGroup>
 </Project>
diff --git a/src/Dotnet.Script.DependencyModel/Dotnet.Script.DependencyModel.csproj b/src/Dotnet.Script.DependencyModel/Dotnet.Script.DependencyModel.csproj
index aaa4b590..281c554d 100644
--- a/src/Dotnet.Script.DependencyModel/Dotnet.Script.DependencyModel.csproj
+++ b/src/Dotnet.Script.DependencyModel/Dotnet.Script.DependencyModel.csproj
@@ -25,7 +25,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGet.ProjectModel" Version="5.2.0" />
-    <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="2.1.0" />
+    <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="3.1.0" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Dotnet.Script.Extras/Dotnet.Script.Extras.csproj b/src/Dotnet.Script.Extras/Dotnet.Script.Extras.csproj
index 667e03aa..3b9f3c09 100644
--- a/src/Dotnet.Script.Extras/Dotnet.Script.Extras.csproj
+++ b/src/Dotnet.Script.Extras/Dotnet.Script.Extras.csproj
@@ -12,7 +12,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.3.1" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Scripting" Version="3.4.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.5.0" />
   </ItemGroup>
 
diff --git a/src/Dotnet.Script/Dotnet.Script.csproj b/src/Dotnet.Script/Dotnet.Script.csproj
index 6ea11e93..55382930 100644
--- a/src/Dotnet.Script/Dotnet.Script.csproj
+++ b/src/Dotnet.Script/Dotnet.Script.csproj
@@ -22,7 +22,7 @@
         <LangVersion>latest</LangVersion>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.3.1" />
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.4.0" />
         <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="2.2.5" />
         <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="3.0.1" />
     </ItemGroup>