diff --git a/Daf.Core/Daf.Core.csproj b/Daf.Core/Daf.Core.csproj
index 1fa59b0..359e109 100644
--- a/Daf.Core/Daf.Core.csproj
+++ b/Daf.Core/Daf.Core.csproj
@@ -23,7 +23,7 @@
     <PackageReference Include="NuGet.Frameworks" Version="6.3.0" />
     <PackageReference Include="NuGet.Packaging.Core" Version="6.3.0" />
     <PackageReference Include="NuGet.Protocol" Version="6.3.0" />
-    <PackageReference Include="NuGet.Resolver" Version="6.3.0" />
+    <PackageReference Include="NuGet.Resolver" Version="6.4.0" />
     <PackageReference Include="NuGet.Versioning" Version="6.3.0" />
   </ItemGroup>
 </Project>
\ No newline at end of file