diff --git a/cloudbuild/pr-checks.yaml b/cloudbuild/pr-checks.yaml
index 61e1c923..e07c0c51 100644
--- a/cloudbuild/pr-checks.yaml
+++ b/cloudbuild/pr-checks.yaml
@@ -22,6 +22,8 @@ steps:
     args:
       - -c
       - |
+        curl -sSL https://install.python-poetry.org | python3 - && \
+        export PATH="/builder/home/.local/bin:$$PATH && \
         make setup && \
         git init && \
         git add . && \