diff --git a/src/cascadia/WpfTerminalTestNetCore/WpfTerminalTestNetCore.csproj b/src/cascadia/WpfTerminalTestNetCore/WpfTerminalTestNetCore.csproj
index b14f6bb3a50..6725dfa25d8 100644
--- a/src/cascadia/WpfTerminalTestNetCore/WpfTerminalTestNetCore.csproj
+++ b/src/cascadia/WpfTerminalTestNetCore/WpfTerminalTestNetCore.csproj
@@ -3,6 +3,7 @@
   <PropertyGroup>
     <OutputType>WinExe</OutputType>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <RuntimeFrameworkVersion>3.1.18</RuntimeFrameworkVersion>
     <UseWPF>true</UseWPF>
     <Platforms>AnyCPU;x64;x86</Platforms>
   </PropertyGroup>