diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 84aa692..1a53ad0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -120,6 +120,7 @@ jobs:
         - ''
         - default
         - drm-fourcc
+        - sync
 
     env:
       RUSTFLAGS: "-D warnings"