diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4aa0a64..6244359 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
         shell: cmake -P {0}
         run: |
           string(TIMESTAMP current_date "%Y-%m-%d-%H;%M;%S" UTC)
-          message("::set-output name=timestamp::${current_date}")
+          file(APPEND "$ENV{GITHUB_OUTPUT}" "timestamp=${current_date}")
 
       - uses: actions/cache@v3
         with: