diff --git a/.github/workflows/scalatest.yml b/.github/workflows/scalatest.yml
index db135635b3..58ebb7aac7 100644
--- a/.github/workflows/scalatest.yml
+++ b/.github/workflows/scalatest.yml
@@ -25,7 +25,7 @@ jobs:
         with:
           path: |
             out
-            !out/mill
+            !out/**/mill
             !**/assembly.dest
             !**/assembly.json
             !**/upstreamAssembly.dest