diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 43eea6b5..b95a5e44 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -28,7 +28,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install prettier and plugin-php
-        run: npm install --global prettier@"^1.15.0 || ^2.0.0" @prettier/plugin-php
+        run: npm install --global prettier@2.8.1 @prettier/plugin-php@0.18.9
 
       - name: Check formatting with Prettier
         continue-on-error: true