diff --git a/src/SignClient/SignClient.csproj b/src/SignClient/SignClient.csproj
index 4736a6f6..f38d613d 100644
--- a/src/SignClient/SignClient.csproj
+++ b/src/SignClient/SignClient.csproj
@@ -5,6 +5,7 @@
     <OutputType>Exe</OutputType>
     <PackAsTool>true</PackAsTool>
     <Description>Client-side tools for Sign Service</Description>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
 
   <ItemGroup>