diff --git a/Analyzers/Akade.IndexedSet.Analyzers.Test/Akade.IndexedSet.Analyzers.Test.csproj b/Analyzers/Akade.IndexedSet.Analyzers.Test/Akade.IndexedSet.Analyzers.Test.csproj
index c6afada..d88befa 100644
--- a/Analyzers/Akade.IndexedSet.Analyzers.Test/Akade.IndexedSet.Analyzers.Test.csproj
+++ b/Analyzers/Akade.IndexedSet.Analyzers.Test/Akade.IndexedSet.Analyzers.Test.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.3" />
     <PackageReference Include="MSTest.TestFramework" Version="3.7.3" />
-    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.12.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis" Version="4.13.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" Version="1.1.2" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeRefactoring.Testing" Version="1.1.2" />
diff --git a/Analyzers/Akade.IndexedSet.Analyzers/Akade.IndexedSet.Analyzers.csproj b/Analyzers/Akade.IndexedSet.Analyzers/Akade.IndexedSet.Analyzers.csproj
index a01677c..d85ba10 100644
--- a/Analyzers/Akade.IndexedSet.Analyzers/Akade.IndexedSet.Analyzers.csproj
+++ b/Analyzers/Akade.IndexedSet.Analyzers/Akade.IndexedSet.Analyzers.csproj
@@ -11,8 +11,8 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.13.0" />
 		<PackageReference Include="PolySharp" Version="1.15.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/SourceGenerator/Akade.IndexedSet.InternalSourceGenerator/Akade.IndexedSet.InternalSourceGenerator.csproj b/SourceGenerator/Akade.IndexedSet.InternalSourceGenerator/Akade.IndexedSet.InternalSourceGenerator.csproj
index a8c2888..88dd122 100644
--- a/SourceGenerator/Akade.IndexedSet.InternalSourceGenerator/Akade.IndexedSet.InternalSourceGenerator.csproj
+++ b/SourceGenerator/Akade.IndexedSet.InternalSourceGenerator/Akade.IndexedSet.InternalSourceGenerator.csproj
@@ -11,8 +11,8 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.12.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.13.0" />
 		<PackageReference Include="PolySharp" Version="1.15.0">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>