diff --git a/ci/prep_for_ci.py b/ci/prep_for_ci.py
index efcf06c..ea51dec 100644
--- a/ci/prep_for_ci.py
+++ b/ci/prep_for_ci.py
@@ -16,7 +16,7 @@ def main(config: str, data: str):
         yaml.dump(cfg, f)
 
     with open(data) as f:
-        data_truncated = f.readlines()[:500]
+        data_truncated = f.readlines()[:1000]
     with open(data, "w") as f:
         f.writelines(data_truncated)