diff --git a/build/test/builder/build_step_impl_test.dart b/build/test/builder/build_step_impl_test.dart
index 098db68a9..315f6f140 100644
--- a/build/test/builder/build_step_impl_test.dart
+++ b/build/test/builder/build_step_impl_test.dart
@@ -131,7 +131,7 @@ void main() {
         expect(aLib.definingCompilationUnit.libraryImports.length, 2);
         expect(
             aLib.definingCompilationUnit.libraryImports
-                .any((import) => import.library.name == 'b'),
+                .any((import) => import.importedLibrary!.name == 'b'),
             isTrue);
 
         var bLib = await resolver.findLibraryByName('b');