diff --git a/CapnpC.CSharp.Generator.Tests/CapnpC.CSharp.Generator.Tests.csproj b/CapnpC.CSharp.Generator.Tests/CapnpC.CSharp.Generator.Tests.csproj
index 86f1a6b..b9349d0 100644
--- a/CapnpC.CSharp.Generator.Tests/CapnpC.CSharp.Generator.Tests.csproj
+++ b/CapnpC.CSharp.Generator.Tests/CapnpC.CSharp.Generator.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
     <RootNamespace>CapnpC.CSharp.Generator.Tests</RootNamespace>
 
     <IsPackable>false</IsPackable>