diff --git a/.github/workflows/phpcbf-check.yml b/.github/workflows/phpcbf-check.yml
index d3a71a146..d6f0b3954 100644
--- a/.github/workflows/phpcbf-check.yml
+++ b/.github/workflows/phpcbf-check.yml
@@ -28,7 +28,7 @@ jobs:
 
       - name: Run phpcbf
         run: |
-          ./vendor/bin/phpcbf src templates assets -q
+          ./vendor/bin/phpcbf -q --parallel=1 src templates assets
 
       - name: Check for changes
         run: |