diff --git a/src/Proteos.Encryption.Analyzers/Proteos.Encryption.Analyzers.csproj b/src/Proteos.Encryption.Analyzers/Proteos.Encryption.Analyzers.csproj
index 79b5f2f..efe3b6e 100644
--- a/src/Proteos.Encryption.Analyzers/Proteos.Encryption.Analyzers.csproj
+++ b/src/Proteos.Encryption.Analyzers/Proteos.Encryption.Analyzers.csproj
@@ -15,7 +15,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" PrivateAssets="all" />
   </ItemGroup>
 
 </Project>
diff --git a/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj b/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
index ca9c28b..516d52f 100644
--- a/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
+++ b/tests/Proteos.Encryption.Analyzers.Tests/Proteos.Encryption.Analyzers.Tests.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.5.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.3.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
   </ItemGroup>