diff --git a/PurelySharp.Analyzer/PurelySharp.Analyzer.csproj b/PurelySharp.Analyzer/PurelySharp.Analyzer.csproj
index f367c03..672a510 100644
--- a/PurelySharp.Analyzer/PurelySharp.Analyzer.csproj
+++ b/PurelySharp.Analyzer/PurelySharp.Analyzer.csproj
@@ -16,10 +16,10 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" />
 
     
-    <PackageReference Include="System.Collections.Immutable" Version="9.0.0" /> 
+    <PackageReference Include="System.Collections.Immutable" Version="10.0.7" /> 
   </ItemGroup>