diff --git a/.gitignore b/.gitignore
index 4a087ea..2a7d4fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,12 @@ integration_report.md
 
 # OS
 .DS_Store
+
+# Virtual environments
+.venv/
+
+# EDA / analysis artefacts (downstream use, not part of pipeline)
+eda_haemonc_v3_norm.py
+haemonc_v3_norm_eda.ipynb
+haemonc_v3_norm_eda.html
+vcf_normalisation_session_*.md