1 files changed, 1 insertions, 1 deletions

diff --git a/.build.yml b/.build.yml
index c0dc82e..4a5810b 100644
--- a/.build.yml
+++ b/.build.yml
@@ -12,4 +12,4 @@ tasks:
       json validate --schema-file=lab/metadata.json --document-file=lab/metadata.json
   - test-css: |
       cd libresocial
-      python test/w3c-validator.py dist/css/libresocial.css
+      python3 test/w3c-validator.py dist/css/libresocial.css