diff --git a/src/NuGet.Services.Licenses/NuGet.Services.Licenses.csproj b/src/NuGet.Services.Licenses/NuGet.Services.Licenses.csproj
index 3baa7261f3..2a9f1036bc 100644
--- a/src/NuGet.Services.Licenses/NuGet.Services.Licenses.csproj
+++ b/src/NuGet.Services.Licenses/NuGet.Services.Licenses.csproj
@@ -8,6 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="NuGet.Packaging" />
+    <PackageReference Include="System.Formats.Asn1" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file