diff --git a/build/_build.csproj b/build/_build.csproj
index b14ba09a..cfe2aecb 100644
--- a/build/_build.csproj
+++ b/build/_build.csproj
@@ -14,6 +14,9 @@
     <ItemGroup>
         <PackageReference Include="Nuke.Common" />
     </ItemGroup>
+    <ItemGroup Label="Transitive package references"> <!-- for the sole purpose of pinning the correct versions -->
+        <PackageReference Include="JetBrains.Annotations" />
+    </ItemGroup>
 
     <ItemGroup>
       <Compile Update="Build.Sdk.cs">