diff --git a/build/build.csproj b/build/build.csproj
index b53c9c82..f1790114 100644
--- a/build/build.csproj
+++ b/build/build.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Bullseye" Version="4.2.1" />
+    <PackageReference Include="Bullseye" Version="5.0.0" />
     <PackageReference Include="SimpleExec" Version="11.0.0" />
     <PackageReference Include="System.Text.Json" Version="7.0.3" />
   </ItemGroup>