diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 563b8fffb..8d5d448ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -71,7 +71,7 @@ jobs:
         # no creduce on Windows, so exclude tests needing creduce there
         run: |
           echo RUSTFLAGS=$RUSTFLAGS >> $GITHUB_ENV
-          echo ::set-output name=exclude::${{runner.os == 'Windows' && '--exclude autocxx-reduce --exclude autocxx-gen' || ''}}
+          echo exclude=${{runner.os == 'Windows' && '--exclude autocxx-reduce --exclude autocxx-gen' || ''}} >> "$GITHUB_OUTPUT"
         env:
           # non-linux failures https://github.com/google/autocxx/issues/819
           # beta failing tests https://github.com/google/autocxx/issues/818