diff --git a/.appveyor.yml b/.appveyor.yml
index c7b78dc9f79..4008bbd659d 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -16,6 +16,7 @@ install:
   - npm ci
   - npm install --global codecov
   - npm install eslint-plugin-node@latest --save-dev
+  - npm install eslint-plugin-prettier@latest --save-dev
 
 test_script:
   - node --version