diff --git a/src/assembly-differ/assembly-differ.csproj b/src/assembly-differ/assembly-differ.csproj
index 903f97c..658c7da 100644
--- a/src/assembly-differ/assembly-differ.csproj
+++ b/src/assembly-differ/assembly-differ.csproj
@@ -36,7 +36,7 @@
 
     <PackageReference Include="NuGet.Frameworks" Version="5.4.0" />
     <PackageReference Include="NuGet.Versioning" Version="5.4.0" />
-    <PackageReference Include="NuGet.Protocol" Version="5.4.0" />
+    <PackageReference Include="NuGet.Protocol" Version="5.9.3" />
     <PackageReference Include="NuGet.Packaging" Version="5.4.0" />
     <PackageReference Include="NuGet.Resolver" Version="5.4.0" />
     <PackageReference Include="NuGet.Common" Version="5.4.0" />