diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2e6569b69..a33938afd 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -88,7 +88,7 @@ jobs:
       uses: actions-rs/cargo@v1
       with:
         command: fmt
-        args: --workspace -- --check
+        args: --all -- --check
 
   deny-check:
     name: cargo-deny check