diff --git a/.buildkite/sdist.yml b/.buildkite/sdist.yml
index 01dc6f024..2cbbc54c4 100644
--- a/.buildkite/sdist.yml
+++ b/.buildkite/sdist.yml
@@ -1,9 +1,10 @@
 steps:
-  - command: "$HOME/.local/bin/fab env clean make test"
-    label: ":dizzy: :python:"
-    artifact_paths: "dist/*.tar.gz"
+  -
+    command: "$HOME/.local/bin/fab env clean make test"
+      label: ":dizzy: :python:"
+      artifact_paths: "dist/*.tar.gz"
   - wait
-  - trigger "spacy-sdist-against-models"
+  - trigger: "spacy-sdist-against-models"
     label: ":spacy: :build:"
     env:
       SPACY_VERSION: "{$SPACY_VERSION}"