diff --git a/test/TestMemoryFS.test.js b/test/TestMemoryFS.test.js
index f2344d9c..635b2aef 100644
--- a/test/TestMemoryFS.test.js
+++ b/test/TestMemoryFS.test.js
@@ -17,6 +17,7 @@ describe('TestMemoryFS', () => {
       ...webpackConfig,
       mode: 'development',
       context: directoryForCase,
+      cache: false,
     });
     compiler.outputFileSystem = new MemoryFS();
     compiler.run((err1, stats1) => {