diff --git a/src/SparseTypes.Generator/SparseTypes.Generator.csproj b/src/SparseTypes.Generator/SparseTypes.Generator.csproj
index e6d47cb6..0301f046 100644
--- a/src/SparseTypes.Generator/SparseTypes.Generator.csproj
+++ b/src/SparseTypes.Generator/SparseTypes.Generator.csproj
@@ -16,9 +16,9 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="System.Memory" Version="4.6.3" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.3.1" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.3.1" PrivateAssets="all" />
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.9.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="5.9.0-1.26328.17" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource
diff --git a/tests/SparseTypes.Tests/SparseTypes.Tests.csproj b/tests/SparseTypes.Tests/SparseTypes.Tests.csproj
index 83032115..263343f7 100644
--- a/tests/SparseTypes.Tests/SparseTypes.Tests.csproj
+++ b/tests/SparseTypes.Tests/SparseTypes.Tests.csproj
@@ -5,8 +5,8 @@
     <AssemblyName>SparseTypes.Tests</AssemblyName>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.8.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.9.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.9.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="10.0.13" />
     <ProjectReference Include="../../src/SparseTypes/SparseTypes.csproj" />
     <ProjectReference Include="../../src/SparseTypes.Generator/SparseTypes.Generator.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="true" />