diff --git a/test-fixtures/test-application-js/package.json b/test-fixtures/test-application-js/package.json
index fd2b61c6d..c5ef7cce5 100644
--- a/test-fixtures/test-application-js/package.json
+++ b/test-fixtures/test-application-js/package.json
@@ -18,7 +18,7 @@
     "karma-webpack": "^4.0.2",
     "mocha": "^6.2.2",
     "null-loader": "^3.0.0",
-    "prettier": "^1.19.1",
+    "prettier": "^2.0.0",
     "puppeteer": "^2.1.1",
     "showcase": "file:./showcase-0.1.0.tgz",
     "tree-kill": "^1.2.2",